25607780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 96

約数和(自身を含む): 64012032

約数和(自身を除く): 38404252

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 41, 44, 55, 68, 82, 85, 110, 164, 167, 170, 187, 205, 220, 334, 340, 374, 410, 451, 668, 697, 748, 820, 835, 902, 935, 1394, 1670, 1804, 1837, 1870, 2255, 2788, 2839, 3340, 3485, 3674, 3740, 4510, 5678, 6847, 6970, 7348, 7667, 9020, 9185, 11356, 13694, 13940, 14195, 15334, 18370, 27388, 28390, 30668, 31229, 34235, 36740, 38335, 56780, 62458, 68470, 75317, 76670, 116399, 124916, 136940, 150634, 153340, 156145, 232798, 301268, 312290, 376585, 465596, 581995, 624580, 753170, 1163990, 1280389, 1506340, 2327980, 2560778, 5121556, 6401945, 12803890, 25607780]

約数ペア:

[(1, 25607780), (2, 12803890), (4, 6401945), (5, 5121556), (10, 2560778), (11, 2327980), (17, 1506340), (20, 1280389), (22, 1163990), (34, 753170), (41, 624580), (44, 581995), (55, 465596), (68, 376585), (82, 312290), (85, 301268), (110, 232798), (164, 156145), (167, 153340), (170, 150634), (187, 136940), (205, 124916), (220, 116399), (334, 76670), (340, 75317), (374, 68470), (410, 62458), (451, 56780), (668, 38335), (697, 36740), (748, 34235), (820, 31229), (835, 30668), (902, 28390), (935, 27388), (1394, 18370), (1670, 15334), (1804, 14195), (1837, 13940), (1870, 13694), (2255, 11356), (2788, 9185), (2839, 9020), (3340, 7667), (3485, 7348), (3674, 6970), (3740, 6847), (4510, 5678)]