51621700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{39709}}^1$

素因数の和:39736

約数の個数: 36

約数和(自身を含む): 120638980

約数和(自身を除く): 69017280

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 39709, 79418, 158836, 198545, 397090, 516217, 794180, 992725, 1032434, 1985450, 2064868, 2581085, 3970900, 5162170, 10324340, 12905425, 25810850, 51621700]

約数ペア:

[(1, 51621700), (2, 25810850), (4, 12905425), (5, 10324340), (10, 5162170), (13, 3970900), (20, 2581085), (25, 2064868), (26, 1985450), (50, 1032434), (52, 992725), (65, 794180), (100, 516217), (130, 397090), (260, 198545), (325, 158836), (650, 79418), (1300, 39709)]