1680702911980

素因数分解:

$2^2\times 5^1\times {\mathrm{320609}}^1\times {\mathrm{262111}}^1$

素因数の和:582729

約数の個数: 24

約数和(自身を含む): 3529500589440

約数和(自身を除く): 1848797677460

約数列:

[1, 2, 4, 5, 10, 20, 262111, 320609, 524222, 641218, 1048444, 1282436, 1310555, 1603045, 2621110, 3206090, 5242220, 6412180, 84035145599, 168070291198, 336140582396, 420175727995, 840351455990, 1680702911980]

約数ペア:

[(1, 1680702911980), (2, 840351455990), (4, 420175727995), (5, 336140582396), (10, 168070291198), (20, 84035145599), (262111, 6412180), (320609, 5242220), (524222, 3206090), (641218, 2621110), (1048444, 1603045), (1282436, 1310555)]