126496760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{243263}}^1$

素因数の和:243287

約数の個数: 32

約数和(自身を含む): 306512640

約数和(自身を除く): 180015880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 243263, 486526, 973052, 1216315, 1946104, 2432630, 3162419, 4865260, 6324838, 9730520, 12649676, 15812095, 25299352, 31624190, 63248380, 126496760]

約数ペア:

[(1, 126496760), (2, 63248380), (4, 31624190), (5, 25299352), (8, 15812095), (10, 12649676), (13, 9730520), (20, 6324838), (26, 4865260), (40, 3162419), (52, 2432630), (65, 1946104), (104, 1216315), (130, 973052), (260, 486526), (520, 243263)]