724794020

素因数分解:

$2^2\times 5^1\times {\mathrm{2693}}^1\times {\mathrm{13457}}^1$

素因数の和:16159

約数の個数: 24

約数和(自身を含む): 1522745784

約数和(自身を除く): 797951764

約数列:

[1, 2, 4, 5, 10, 20, 2693, 5386, 10772, 13457, 13465, 26914, 26930, 53828, 53860, 67285, 134570, 269140, 36239701, 72479402, 144958804, 181198505, 362397010, 724794020]

約数ペア:

[(1, 724794020), (2, 362397010), (4, 181198505), (5, 144958804), (10, 72479402), (20, 36239701), (2693, 269140), (5386, 134570), (10772, 67285), (13457, 53860), (13465, 53828), (26914, 26930)]