20145128900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{15496253}}^1$

素因数の和:15496280

約数の個数: 36

約数和(自身を含む): 47077619652

約数和(自身を除く): 26932490752

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 15496253, 30992506, 61985012, 77481265, 154962530, 201451289, 309925060, 387406325, 402902578, 774812650, 805805156, 1007256445, 1549625300, 2014512890, 4029025780, 5036282225, 10072564450, 20145128900]

約数ペア:

[(1, 20145128900), (2, 10072564450), (4, 5036282225), (5, 4029025780), (10, 2014512890), (13, 1549625300), (20, 1007256445), (25, 805805156), (26, 774812650), (50, 402902578), (52, 387406325), (65, 309925060), (100, 201451289), (130, 154962530), (260, 77481265), (325, 61985012), (650, 30992506), (1300, 15496253)]