263571920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{106279}}^1$

素因数の和:106323

約数の個数: 40

約数和(自身を含む): 632578560

約数和(自身を除く): 369006640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 106279, 212558, 425116, 531395, 850232, 1062790, 1700464, 2125580, 3294649, 4251160, 6589298, 8502320, 13178596, 16473245, 26357192, 32946490, 52714384, 65892980, 131785960, 263571920]

約数ペア:

[(1, 263571920), (2, 131785960), (4, 65892980), (5, 52714384), (8, 32946490), (10, 26357192), (16, 16473245), (20, 13178596), (31, 8502320), (40, 6589298), (62, 4251160), (80, 3294649), (124, 2125580), (155, 1700464), (248, 1062790), (310, 850232), (496, 531395), (620, 425116), (1240, 212558), (2480, 106279)]