40087450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61673}}^1$

素因数の和:61698

約数の個数: 24

約数和(自身を含む): 80299548

約数和(自身を除く): 40212098

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 61673, 123346, 308365, 616730, 801749, 1541825, 1603498, 3083650, 4008745, 8017490, 20043725, 40087450]

約数ペア:

[(1, 40087450), (2, 20043725), (5, 8017490), (10, 4008745), (13, 3083650), (25, 1603498), (26, 1541825), (50, 801749), (65, 616730), (130, 308365), (325, 123346), (650, 61673)]