64724560

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3533}}^1$

素因数の和:3775

約数の個数: 40

約数和(自身を含む): 151184520

約数和(自身を除く): 86459960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3533, 3664, 4580, 7066, 9160, 14132, 17665, 18320, 28264, 35330, 56528, 70660, 141320, 282640, 809057, 1618114, 3236228, 4045285, 6472456, 8090570, 12944912, 16181140, 32362280, 64724560]

約数ペア:

[(1, 64724560), (2, 32362280), (4, 16181140), (5, 12944912), (8, 8090570), (10, 6472456), (16, 4045285), (20, 3236228), (40, 1618114), (80, 809057), (229, 282640), (458, 141320), (916, 70660), (1145, 56528), (1832, 35330), (2290, 28264), (3533, 18320), (3664, 17665), (4580, 14132), (7066, 9160)]