38919140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149689}}^1$

素因数の和:149711

約数の個数: 24

約数和(自身を含む): 88017720

約数和(自身を除く): 49098580

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 149689, 299378, 598756, 748445, 1496890, 1945957, 2993780, 3891914, 7783828, 9729785, 19459570, 38919140]

約数ペア:

[(1, 38919140), (2, 19459570), (4, 9729785), (5, 7783828), (10, 3891914), (13, 2993780), (20, 1945957), (26, 1496890), (52, 748445), (65, 598756), (130, 299378), (260, 149689)]