81124210

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2591}}^1$

素因数の和:2730

約数の個数: 32

約数和(自身を含む): 152285184

約数和(自身を除く): 71160974

約数列:

[1, 2, 5, 10, 31, 62, 101, 155, 202, 310, 505, 1010, 2591, 3131, 5182, 6262, 12955, 15655, 25910, 31310, 80321, 160642, 261691, 401605, 523382, 803210, 1308455, 2616910, 8112421, 16224842, 40562105, 81124210]

約数ペア:

[(1, 81124210), (2, 40562105), (5, 16224842), (10, 8112421), (31, 2616910), (62, 1308455), (101, 803210), (155, 523382), (202, 401605), (310, 261691), (505, 160642), (1010, 80321), (2591, 31310), (3131, 25910), (5182, 15655), (6262, 12955)]