15889640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30557}}^1$

素因数の和:30581

約数の個数: 32

約数和(自身を含む): 38503080

約数和(自身を除く): 22613440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 30557, 61114, 122228, 152785, 244456, 305570, 397241, 611140, 794482, 1222280, 1588964, 1986205, 3177928, 3972410, 7944820, 15889640]

約数ペア:

[(1, 15889640), (2, 7944820), (4, 3972410), (5, 3177928), (8, 1986205), (10, 1588964), (13, 1222280), (20, 794482), (26, 611140), (40, 397241), (52, 305570), (65, 244456), (104, 152785), (130, 122228), (260, 61114), (520, 30557)]