26581490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2801}}^1$

素因数の和:2894

約数の個数: 32

約数和(自身を含む): 52251696

約数和(自身を除く): 25670206

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 2801, 4745, 5602, 9490, 14005, 28010, 36413, 72826, 182065, 204473, 364130, 408946, 1022365, 2044730, 2658149, 5316298, 13290745, 26581490]

約数ペア:

[(1, 26581490), (2, 13290745), (5, 5316298), (10, 2658149), (13, 2044730), (26, 1022365), (65, 408946), (73, 364130), (130, 204473), (146, 182065), (365, 72826), (730, 36413), (949, 28010), (1898, 14005), (2801, 9490), (4745, 5602)]