2720221775

素因数分解:

$5^2\times {\mathrm{67}}^2\times {\mathrm{24239}}^1$

素因数の和:24383

約数の個数: 18

約数和(自身を含む): 3424312080

約数和(自身を除く): 704090305

約数列:

[1, 5, 25, 67, 335, 1675, 4489, 22445, 24239, 112225, 121195, 605975, 1624013, 8120065, 40600325, 108808871, 544044355, 2720221775]

約数ペア:

[(1, 2720221775), (5, 544044355), (25, 108808871), (67, 40600325), (335, 8120065), (1675, 1624013), (4489, 605975), (22445, 121195), (24239, 112225)]