12460886720

素因数分解:

$2^6\times 5^1\times {\mathrm{38940271}}^1$

素因数の和:38940288

約数の個数: 28

約数和(自身を含む): 29672487264

約数和(自身を除く): 17211600544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 38940271, 77880542, 155761084, 194701355, 311522168, 389402710, 623044336, 778805420, 1246088672, 1557610840, 2492177344, 3115221680, 6230443360, 12460886720]

約数ペア:

[(1, 12460886720), (2, 6230443360), (4, 3115221680), (5, 2492177344), (8, 1557610840), (10, 1246088672), (16, 778805420), (20, 623044336), (32, 389402710), (40, 311522168), (64, 194701355), (80, 155761084), (160, 77880542), (320, 38940271)]