83913940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{1997}}^1$

素因数の和:2208

約数の個数: 48

約数和(自身を含む): 193342464

約数和(自身を除く): 109428524

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 382, 764, 955, 1910, 1997, 2101, 3820, 3994, 4202, 7988, 8404, 9985, 10505, 19970, 21010, 21967, 39940, 42020, 43934, 87868, 109835, 219670, 381427, 439340, 762854, 1525708, 1907135, 3814270, 4195697, 7628540, 8391394, 16782788, 20978485, 41956970, 83913940]

約数ペア:

[(1, 83913940), (2, 41956970), (4, 20978485), (5, 16782788), (10, 8391394), (11, 7628540), (20, 4195697), (22, 3814270), (44, 1907135), (55, 1525708), (110, 762854), (191, 439340), (220, 381427), (382, 219670), (764, 109835), (955, 87868), (1910, 43934), (1997, 42020), (2101, 39940), (3820, 21967), (3994, 21010), (4202, 19970), (7988, 10505), (8404, 9985)]