70991740

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{39883}}^1$

素因数の和:39981

約数の個数: 24

約数和(自身を含む): 150761520

約数和(自身を除く): 79769780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 39883, 79766, 159532, 199415, 398830, 797660, 3549587, 7099174, 14198348, 17747935, 35495870, 70991740]

約数ペア:

[(1, 70991740), (2, 35495870), (4, 17747935), (5, 14198348), (10, 7099174), (20, 3549587), (89, 797660), (178, 398830), (356, 199415), (445, 159532), (890, 79766), (1780, 39883)]