4000490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30773}}^1$

素因数の和:30793

約数の個数: 16

約数和(自身を含む): 7755048

約数和(自身を除く): 3754558

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 30773, 61546, 153865, 307730, 400049, 800098, 2000245, 4000490]

約数ペア:

[(1, 4000490), (2, 2000245), (5, 800098), (10, 400049), (13, 307730), (26, 153865), (65, 61546), (130, 30773)]