30327980

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{24859}}^1$

素因数の和:24929

約数の個数: 24

約数和(自身を含む): 64735440

約数和(自身を除く): 34407460

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 24859, 49718, 99436, 124295, 248590, 497180, 1516399, 3032798, 6065596, 7581995, 15163990, 30327980]

約数ペア:

[(1, 30327980), (2, 15163990), (4, 7581995), (5, 6065596), (10, 3032798), (20, 1516399), (61, 497180), (122, 248590), (244, 124295), (305, 99436), (610, 49718), (1220, 24859)]