204989360

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{82657}}^1$

素因数の和:82701

約数の個数: 40

約数和(自身を含む): 491980416

約数和(自身を除く): 286991056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 82657, 165314, 330628, 413285, 661256, 826570, 1322512, 1653140, 2562367, 3306280, 5124734, 6612560, 10249468, 12811835, 20498936, 25623670, 40997872, 51247340, 102494680, 204989360]

約数ペア:

[(1, 204989360), (2, 102494680), (4, 51247340), (5, 40997872), (8, 25623670), (10, 20498936), (16, 12811835), (20, 10249468), (31, 6612560), (40, 5124734), (62, 3306280), (80, 2562367), (124, 1653140), (155, 1322512), (248, 826570), (310, 661256), (496, 413285), (620, 330628), (1240, 165314), (2480, 82657)]