201971240

素因数分解:

$2^3\times 5^1\times {\mathrm{613}}^1\times {\mathrm{8237}}^1$

素因数の和:8861

約数の個数: 32

約数和(自身を含む): 455231880

約数和(自身を除く): 253260640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 613, 1226, 2452, 3065, 4904, 6130, 8237, 12260, 16474, 24520, 32948, 41185, 65896, 82370, 164740, 329480, 5049281, 10098562, 20197124, 25246405, 40394248, 50492810, 100985620, 201971240]

約数ペア:

[(1, 201971240), (2, 100985620), (4, 50492810), (5, 40394248), (8, 25246405), (10, 20197124), (20, 10098562), (40, 5049281), (613, 329480), (1226, 164740), (2452, 82370), (3065, 65896), (4904, 41185), (6130, 32948), (8237, 24520), (12260, 16474)]