29720080

素因数分解:

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

素因数の和:125

約数の個数: 120

約数和(自身を含む): 80760456

約数和(自身を除く): 51040376

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 26, 34, 40, 41, 52, 65, 68, 80, 82, 85, 104, 130, 136, 164, 170, 205, 208, 221, 260, 272, 328, 340, 410, 442, 520, 533, 656, 680, 697, 820, 884, 1040, 1066, 1105, 1360, 1394, 1640, 1681, 1768, 2132, 2210, 2665, 2788, 3280, 3362, 3485, 3536, 4264, 4420, 5330, 5576, 6724, 6970, 8405, 8528, 8840, 9061, 10660, 11152, 13448, 13940, 16810, 17680, 18122, 21320, 21853, 26896, 27880, 28577, 33620, 36244, 42640, 43706, 45305, 55760, 57154, 67240, 72488, 87412, 90610, 109265, 114308, 134480, 142885, 144976, 174824, 181220, 218530, 228616, 285770, 349648, 362440, 371501, 437060, 457232, 571540, 724880, 743002, 874120, 1143080, 1486004, 1748240, 1857505, 2286160, 2972008, 3715010, 5944016, 7430020, 14860040, 29720080]

約数ペア:

[(1, 29720080), (2, 14860040), (4, 7430020), (5, 5944016), (8, 3715010), (10, 2972008), (13, 2286160), (16, 1857505), (17, 1748240), (20, 1486004), (26, 1143080), (34, 874120), (40, 743002), (41, 724880), (52, 571540), (65, 457232), (68, 437060), (80, 371501), (82, 362440), (85, 349648), (104, 285770), (130, 228616), (136, 218530), (164, 181220), (170, 174824), (205, 144976), (208, 142885), (221, 134480), (260, 114308), (272, 109265), (328, 90610), (340, 87412), (410, 72488), (442, 67240), (520, 57154), (533, 55760), (656, 45305), (680, 43706), (697, 42640), (820, 36244), (884, 33620), (1040, 28577), (1066, 27880), (1105, 26896), (1360, 21853), (1394, 21320), (1640, 18122), (1681, 17680), (1768, 16810), (2132, 13940), (2210, 13448), (2665, 11152), (2788, 10660), (3280, 9061), (3362, 8840), (3485, 8528), (3536, 8405), (4264, 6970), (4420, 6724), (5330, 5576)]