7485140

素因数分解:

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

素因数の和:28811

約数の個数: 24

約数和(自身を含む): 16928520

約数和(自身を除く): 9443380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 28789, 57578, 115156, 143945, 287890, 374257, 575780, 748514, 1497028, 1871285, 3742570, 7485140]

約数ペア:

[(1, 7485140), (2, 3742570), (4, 1871285), (5, 1497028), (10, 748514), (13, 575780), (20, 374257), (26, 287890), (52, 143945), (65, 115156), (130, 57578), (260, 28789)]