64023640

素因数分解:

$2^3\times 5^1\times {\mathrm{463}}^1\times {\mathrm{3457}}^1$

素因数の和:3931

約数の個数: 32

約数和(自身を含む): 144406080

約数和(自身を除く): 80382440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 463, 926, 1852, 2315, 3457, 3704, 4630, 6914, 9260, 13828, 17285, 18520, 27656, 34570, 69140, 138280, 1600591, 3201182, 6402364, 8002955, 12804728, 16005910, 32011820, 64023640]

約数ペア:

[(1, 64023640), (2, 32011820), (4, 16005910), (5, 12804728), (8, 8002955), (10, 6402364), (20, 3201182), (40, 1600591), (463, 138280), (926, 69140), (1852, 34570), (2315, 27656), (3457, 18520), (3704, 17285), (4630, 13828), (6914, 9260)]