99140540

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{12743}}^1$

素因数の和:13141

約数の個数: 24

約数和(自身を含む): 208746720

約数和(自身を除く): 109606180

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 12743, 25486, 50972, 63715, 127430, 254860, 4957027, 9914054, 19828108, 24785135, 49570270, 99140540]

約数ペア:

[(1, 99140540), (2, 49570270), (4, 24785135), (5, 19828108), (10, 9914054), (20, 4957027), (389, 254860), (778, 127430), (1556, 63715), (1945, 50972), (3890, 25486), (7780, 12743)]