64651280

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{3529}}^1$

素因数の和:3771

約数の個数: 40

約数和(自身を含む): 151013400

約数和(自身を除く): 86362120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3529, 3664, 4580, 7058, 9160, 14116, 17645, 18320, 28232, 35290, 56464, 70580, 141160, 282320, 808141, 1616282, 3232564, 4040705, 6465128, 8081410, 12930256, 16162820, 32325640, 64651280]

約数ペア:

[(1, 64651280), (2, 32325640), (4, 16162820), (5, 12930256), (8, 8081410), (10, 6465128), (16, 4040705), (20, 3232564), (40, 1616282), (80, 808141), (229, 282320), (458, 141160), (916, 70580), (1145, 56464), (1832, 35290), (2290, 28232), (3529, 18320), (3664, 17645), (4580, 14116), (7058, 9160)]