72811700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{56009}}^1$

素因数の和:56036

約数の個数: 36

約数和(自身を含む): 170158380

約数和(自身を除く): 97346680

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 56009, 112018, 224036, 280045, 560090, 728117, 1120180, 1400225, 1456234, 2800450, 2912468, 3640585, 5600900, 7281170, 14562340, 18202925, 36405850, 72811700]

約数ペア:

[(1, 72811700), (2, 36405850), (4, 18202925), (5, 14562340), (10, 7281170), (13, 5600900), (20, 3640585), (25, 2912468), (26, 2800450), (50, 1456234), (52, 1400225), (65, 1120180), (100, 728117), (130, 560090), (260, 280045), (325, 224036), (650, 112018), (1300, 56009)]