25297360

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 160

約数和(自身を含む): 72316800

約数和(自身を除く): 47019440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 19, 20, 22, 34, 38, 40, 44, 55, 68, 76, 80, 85, 88, 89, 95, 110, 136, 152, 170, 176, 178, 187, 190, 209, 220, 272, 304, 323, 340, 356, 374, 380, 418, 440, 445, 646, 680, 712, 748, 760, 836, 880, 890, 935, 979, 1045, 1292, 1360, 1424, 1496, 1513, 1520, 1615, 1672, 1691, 1780, 1870, 1958, 2090, 2584, 2992, 3026, 3230, 3344, 3382, 3553, 3560, 3740, 3916, 4180, 4895, 5168, 6052, 6460, 6764, 7106, 7120, 7480, 7565, 7832, 8360, 8455, 9790, 12104, 12920, 13528, 14212, 14960, 15130, 15664, 16643, 16720, 16910, 17765, 18601, 19580, 24208, 25840, 27056, 28424, 28747, 30260, 33286, 33820, 35530, 37202, 39160, 56848, 57494, 60520, 66572, 67640, 71060, 74404, 78320, 83215, 93005, 114988, 121040, 133144, 135280, 142120, 143735, 148808, 166430, 186010, 229976, 266288, 284240, 287470, 297616, 316217, 332860, 372020, 459952, 574940, 632434, 665720, 744040, 1149880, 1264868, 1331440, 1488080, 1581085, 2299760, 2529736, 3162170, 5059472, 6324340, 12648680, 25297360]

約数ペア:

[(1, 25297360), (2, 12648680), (4, 6324340), (5, 5059472), (8, 3162170), (10, 2529736), (11, 2299760), (16, 1581085), (17, 1488080), (19, 1331440), (20, 1264868), (22, 1149880), (34, 744040), (38, 665720), (40, 632434), (44, 574940), (55, 459952), (68, 372020), (76, 332860), (80, 316217), (85, 297616), (88, 287470), (89, 284240), (95, 266288), (110, 229976), (136, 186010), (152, 166430), (170, 148808), (176, 143735), (178, 142120), (187, 135280), (190, 133144), (209, 121040), (220, 114988), (272, 93005), (304, 83215), (323, 78320), (340, 74404), (356, 71060), (374, 67640), (380, 66572), (418, 60520), (440, 57494), (445, 56848), (646, 39160), (680, 37202), (712, 35530), (748, 33820), (760, 33286), (836, 30260), (880, 28747), (890, 28424), (935, 27056), (979, 25840), (1045, 24208), (1292, 19580), (1360, 18601), (1424, 17765), (1496, 16910), (1513, 16720), (1520, 16643), (1615, 15664), (1672, 15130), (1691, 14960), (1780, 14212), (1870, 13528), (1958, 12920), (2090, 12104), (2584, 9790), (2992, 8455), (3026, 8360), (3230, 7832), (3344, 7565), (3382, 7480), (3553, 7120), (3560, 7106), (3740, 6764), (3916, 6460), (4180, 6052), (4895, 5168)]