31725460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{122021}}^1$

素因数の和:122043

約数の個数: 24

約数和(自身を含む): 71748936

約数和(自身を除く): 40023476

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 122021, 244042, 488084, 610105, 1220210, 1586273, 2440420, 3172546, 6345092, 7931365, 15862730, 31725460]

約数ペア:

[(1, 31725460), (2, 15862730), (4, 7931365), (5, 6345092), (10, 3172546), (13, 2440420), (20, 1586273), (26, 1220210), (52, 610105), (65, 488084), (130, 244042), (260, 122021)]