87989810

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{85427}}^1$

素因数の和:85537

約数の個数: 16

約数和(自身を含む): 159921216

約数和(自身を除く): 71931406

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 85427, 170854, 427135, 854270, 8798981, 17597962, 43994905, 87989810]

約数ペア:

[(1, 87989810), (2, 43994905), (5, 17597962), (10, 8798981), (103, 854270), (206, 427135), (515, 170854), (1030, 85427)]