161620120

素因数分解:

$2^3\times 5^1\times {\mathrm{1213}}^1\times {\mathrm{3331}}^1$

素因数の和:4555

約数の個数: 32

約数和(自身を含む): 364054320

約数和(自身を除く): 202434200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1213, 2426, 3331, 4852, 6065, 6662, 9704, 12130, 13324, 16655, 24260, 26648, 33310, 48520, 66620, 133240, 4040503, 8081006, 16162012, 20202515, 32324024, 40405030, 80810060, 161620120]

約数ペア:

[(1, 161620120), (2, 80810060), (4, 40405030), (5, 32324024), (8, 20202515), (10, 16162012), (20, 8081006), (40, 4040503), (1213, 133240), (2426, 66620), (3331, 48520), (4852, 33310), (6065, 26648), (6662, 24260), (9704, 16655), (12130, 13324)]