39894940

素因数分解:

$2^2\times 5^1\times {\mathrm{461}}^1\times {\mathrm{4327}}^1$

素因数の和:4797

約数の個数: 24

約数和(自身を含む): 83980512

約数和(自身を除く): 44085572

約数列:

[1, 2, 4, 5, 10, 20, 461, 922, 1844, 2305, 4327, 4610, 8654, 9220, 17308, 21635, 43270, 86540, 1994747, 3989494, 7978988, 9973735, 19947470, 39894940]

約数ペア:

[(1, 39894940), (2, 19947470), (4, 9973735), (5, 7978988), (10, 3989494), (20, 1994747), (461, 86540), (922, 43270), (1844, 21635), (2305, 17308), (4327, 9220), (4610, 8654)]