80669620

素因数分解:

$2^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109013}}^1$

素因数の和:109059

約数の個数: 24

約数和(自身を含む): 173986344

約数和(自身を除く): 93316724

約数列:

[1, 2, 4, 5, 10, 20, 37, 74, 148, 185, 370, 740, 109013, 218026, 436052, 545065, 1090130, 2180260, 4033481, 8066962, 16133924, 20167405, 40334810, 80669620]

約数ペア:

[(1, 80669620), (2, 40334810), (4, 20167405), (5, 16133924), (10, 8066962), (20, 4033481), (37, 2180260), (74, 1090130), (148, 545065), (185, 436052), (370, 218026), (740, 109013)]