66385460

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{22277}}^1$

素因数の和:22435

約数の個数: 24

約数和(自身を含む): 140351400

約数和(自身を除く): 73965940

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 22277, 44554, 89108, 111385, 222770, 445540, 3319273, 6638546, 13277092, 16596365, 33192730, 66385460]

約数ペア:

[(1, 66385460), (2, 33192730), (4, 16596365), (5, 13277092), (10, 6638546), (20, 3319273), (149, 445540), (298, 222770), (596, 111385), (745, 89108), (1490, 44554), (2980, 22277)]