139778860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{537611}}^1$

素因数の和:537633

約数の個数: 24

約数和(自身を含む): 316115856

約数和(自身を除く): 176336996

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 537611, 1075222, 2150444, 2688055, 5376110, 6988943, 10752220, 13977886, 27955772, 34944715, 69889430, 139778860]

約数ペア:

[(1, 139778860), (2, 69889430), (4, 34944715), (5, 27955772), (10, 13977886), (13, 10752220), (20, 6988943), (26, 5376110), (52, 2688055), (65, 2150444), (130, 1075222), (260, 537611)]