2156260

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{823}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 4568256

約数和(自身を除く): 2411996

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 823, 1310, 1646, 2620, 3292, 4115, 8230, 16460, 107813, 215626, 431252, 539065, 1078130, 2156260]

約数ペア:

[(1, 2156260), (2, 1078130), (4, 539065), (5, 431252), (10, 215626), (20, 107813), (131, 16460), (262, 8230), (524, 4115), (655, 3292), (823, 2620), (1310, 1646)]