29940560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{28789}}^1$

素因数の和:28815

約数の個数: 40

約数和(自身を含む): 74969160

約数和(自身を除く): 45028600

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 28789, 57578, 115156, 143945, 230312, 287890, 374257, 460624, 575780, 748514, 1151560, 1497028, 1871285, 2303120, 2994056, 3742570, 5988112, 7485140, 14970280, 29940560]

約数ペア:

[(1, 29940560), (2, 14970280), (4, 7485140), (5, 5988112), (8, 3742570), (10, 2994056), (13, 2303120), (16, 1871285), (20, 1497028), (26, 1151560), (40, 748514), (52, 575780), (65, 460624), (80, 374257), (104, 287890), (130, 230312), (208, 143945), (260, 115156), (520, 57578), (1040, 28789)]