39509090

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 72852480

約数和(自身を除く): 33343390

約数列:

[1, 2, 5, 10, 61, 122, 239, 271, 305, 478, 542, 610, 1195, 1355, 2390, 2710, 14579, 16531, 29158, 33062, 64769, 72895, 82655, 129538, 145790, 165310, 323845, 647690, 3950909, 7901818, 19754545, 39509090]

約数ペア:

[(1, 39509090), (2, 19754545), (5, 7901818), (10, 3950909), (61, 647690), (122, 323845), (239, 165310), (271, 145790), (305, 129538), (478, 82655), (542, 72895), (610, 64769), (1195, 33062), (1355, 29158), (2390, 16531), (2710, 14579)]