38418640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:137

約数の個数: 160

約数和(自身を含む): 106305696

約数和(自身を除く): 67887056

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 41, 52, 53, 65, 68, 80, 82, 85, 104, 106, 130, 136, 164, 170, 205, 208, 212, 221, 260, 265, 272, 328, 340, 410, 424, 442, 520, 530, 533, 656, 680, 689, 697, 820, 848, 884, 901, 1040, 1060, 1066, 1105, 1360, 1378, 1394, 1640, 1768, 1802, 2120, 2132, 2173, 2210, 2665, 2756, 2788, 3280, 3445, 3485, 3536, 3604, 4240, 4264, 4346, 4420, 4505, 5330, 5512, 5576, 6890, 6970, 7208, 8528, 8692, 8840, 9010, 9061, 10660, 10865, 11024, 11152, 11713, 13780, 13940, 14416, 17384, 17680, 18020, 18122, 21320, 21730, 23426, 27560, 27880, 28249, 34768, 36040, 36244, 36941, 42640, 43460, 45305, 46852, 55120, 55760, 56498, 58565, 72080, 72488, 73882, 86920, 90610, 93704, 112996, 117130, 141245, 144976, 147764, 173840, 181220, 184705, 187408, 225992, 234260, 282490, 295528, 362440, 369410, 451984, 468520, 480233, 564980, 591056, 724880, 738820, 937040, 960466, 1129960, 1477640, 1920932, 2259920, 2401165, 2955280, 3841864, 4802330, 7683728, 9604660, 19209320, 38418640]

約数ペア:

[(1, 38418640), (2, 19209320), (4, 9604660), (5, 7683728), (8, 4802330), (10, 3841864), (13, 2955280), (16, 2401165), (17, 2259920), (20, 1920932), (26, 1477640), (34, 1129960), (40, 960466), (41, 937040), (52, 738820), (53, 724880), (65, 591056), (68, 564980), (80, 480233), (82, 468520), (85, 451984), (104, 369410), (106, 362440), (130, 295528), (136, 282490), (164, 234260), (170, 225992), (205, 187408), (208, 184705), (212, 181220), (221, 173840), (260, 147764), (265, 144976), (272, 141245), (328, 117130), (340, 112996), (410, 93704), (424, 90610), (442, 86920), (520, 73882), (530, 72488), (533, 72080), (656, 58565), (680, 56498), (689, 55760), (697, 55120), (820, 46852), (848, 45305), (884, 43460), (901, 42640), (1040, 36941), (1060, 36244), (1066, 36040), (1105, 34768), (1360, 28249), (1378, 27880), (1394, 27560), (1640, 23426), (1768, 21730), (1802, 21320), (2120, 18122), (2132, 18020), (2173, 17680), (2210, 17384), (2665, 14416), (2756, 13940), (2788, 13780), (3280, 11713), (3445, 11152), (3485, 11024), (3536, 10865), (3604, 10660), (4240, 9061), (4264, 9010), (4346, 8840), (4420, 8692), (4505, 8528), (5330, 7208), (5512, 6970), (5576, 6890)]