80491663640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1\times {\mathrm{76481}}^1$

素因数の和:76892

約数の個数: 64

約数和(自身を含む): 183868846560

約数和(自身を除く): 103377182920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 317, 332, 415, 634, 664, 830, 1268, 1585, 1660, 2536, 3170, 3320, 6340, 12680, 26311, 52622, 76481, 105244, 131555, 152962, 210488, 263110, 305924, 382405, 526220, 611848, 764810, 1052440, 1529620, 3059240, 6347923, 12695846, 24244477, 25391692, 31739615, 48488954, 50783384, 63479230, 96977908, 121222385, 126958460, 193955816, 242444770, 253916920, 484889540, 969779080, 2012291591, 4024583182, 8049166364, 10061457955, 16098332728, 20122915910, 40245831820, 80491663640]

約数ペア:

[(1, 80491663640), (2, 40245831820), (4, 20122915910), (5, 16098332728), (8, 10061457955), (10, 8049166364), (20, 4024583182), (40, 2012291591), (83, 969779080), (166, 484889540), (317, 253916920), (332, 242444770), (415, 193955816), (634, 126958460), (664, 121222385), (830, 96977908), (1268, 63479230), (1585, 50783384), (1660, 48488954), (2536, 31739615), (3170, 25391692), (3320, 24244477), (6340, 12695846), (12680, 6347923), (26311, 3059240), (52622, 1529620), (76481, 1052440), (105244, 764810), (131555, 611848), (152962, 526220), (210488, 382405), (263110, 305924)]