72929740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{280499}}^1$

素因数の和:280521

約数の個数: 24

約数和(自身を含む): 164934000

約数和(自身を除く): 92004260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 280499, 560998, 1121996, 1402495, 2804990, 3646487, 5609980, 7292974, 14585948, 18232435, 36464870, 72929740]

約数ペア:

[(1, 72929740), (2, 36464870), (4, 18232435), (5, 14585948), (10, 7292974), (13, 5609980), (20, 3646487), (26, 2804990), (52, 1402495), (65, 1121996), (130, 560998), (260, 280499)]