64373840

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{7121}}^1$

素因数の和:7247

約数の個数: 40

約数和(自身を含む): 151014888

約数和(自身を除く): 86641048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 7121, 9040, 14242, 28484, 35605, 56968, 71210, 113936, 142420, 284840, 569680, 804673, 1609346, 3218692, 4023365, 6437384, 8046730, 12874768, 16093460, 32186920, 64373840]

約数ペア:

[(1, 64373840), (2, 32186920), (4, 16093460), (5, 12874768), (8, 8046730), (10, 6437384), (16, 4023365), (20, 3218692), (40, 1609346), (80, 804673), (113, 569680), (226, 284840), (452, 142420), (565, 113936), (904, 71210), (1130, 56968), (1808, 35605), (2260, 28484), (4520, 14242), (7121, 9040)]