66181840

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{7321}}^1$

素因数の和:7447

約数の個数: 40

約数和(自身を含む): 155255688

約数和(自身を除く): 89073848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 4520, 7321, 9040, 14642, 29284, 36605, 58568, 73210, 117136, 146420, 292840, 585680, 827273, 1654546, 3309092, 4136365, 6618184, 8272730, 13236368, 16545460, 33090920, 66181840]

約数ペア:

[(1, 66181840), (2, 33090920), (4, 16545460), (5, 13236368), (8, 8272730), (10, 6618184), (16, 4136365), (20, 3309092), (40, 1654546), (80, 827273), (113, 585680), (226, 292840), (452, 146420), (565, 117136), (904, 73210), (1130, 58568), (1808, 36605), (2260, 29284), (4520, 14642), (7321, 9040)]