39913870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{2531}}^1$

素因数の和:2640

約数の個数: 32

約数和(自身を含む): 76567680

約数和(自身を除く): 36653810

約数列:

[1, 2, 5, 10, 19, 38, 83, 95, 166, 190, 415, 830, 1577, 2531, 3154, 5062, 7885, 12655, 15770, 25310, 48089, 96178, 210073, 240445, 420146, 480890, 1050365, 2100730, 3991387, 7982774, 19956935, 39913870]

約数ペア:

[(1, 39913870), (2, 19956935), (5, 7982774), (10, 3991387), (19, 2100730), (38, 1050365), (83, 480890), (95, 420146), (166, 240445), (190, 210073), (415, 96178), (830, 48089), (1577, 25310), (2531, 15770), (3154, 12655), (5062, 7885)]