71326580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{274333}}^1$

素因数の和:274355

約数の個数: 24

約数和(自身を含む): 161308392

約数和(自身を除く): 89981812

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 274333, 548666, 1097332, 1371665, 2743330, 3566329, 5486660, 7132658, 14265316, 17831645, 35663290, 71326580]

約数ペア:

[(1, 71326580), (2, 35663290), (4, 17831645), (5, 14265316), (10, 7132658), (13, 5486660), (20, 3566329), (26, 2743330), (52, 1371665), (65, 1097332), (130, 548666), (260, 274333)]