6643198820

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{937}}^1\times {\mathrm{4271}}^1$

素因数の和:5300

約数の個数: 48

約数和(自身を含む): 14137175808

約数和(自身を除く): 7493976988

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 937, 1660, 1874, 3748, 4271, 4685, 8542, 9370, 17084, 18740, 21355, 42710, 77771, 85420, 155542, 311084, 354493, 388855, 708986, 777710, 1417972, 1555420, 1772465, 3544930, 4001927, 7089860, 8003854, 16007708, 20009635, 40019270, 80038540, 332159941, 664319882, 1328639764, 1660799705, 3321599410, 6643198820]

約数ペア:

[(1, 6643198820), (2, 3321599410), (4, 1660799705), (5, 1328639764), (10, 664319882), (20, 332159941), (83, 80038540), (166, 40019270), (332, 20009635), (415, 16007708), (830, 8003854), (937, 7089860), (1660, 4001927), (1874, 3544930), (3748, 1772465), (4271, 1555420), (4685, 1417972), (8542, 777710), (9370, 708986), (17084, 388855), (18740, 354493), (21355, 311084), (42710, 155542), (77771, 85420)]