87531460

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{42491}}^1$

素因数の和:42603

約数の個数: 24

約数和(自身を含む): 185605056

約数和(自身を除く): 98073596

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 42491, 84982, 169964, 212455, 424910, 849820, 4376573, 8753146, 17506292, 21882865, 43765730, 87531460]

約数ペア:

[(1, 87531460), (2, 43765730), (4, 21882865), (5, 17506292), (10, 8753146), (20, 4376573), (103, 849820), (206, 424910), (412, 212455), (515, 169964), (1030, 84982), (2060, 42491)]