13896920

素因数分解:

$2^3\times 5^1\times {\mathrm{263}}^1\times {\mathrm{1321}}^1$

素因数の和:1595

約数の個数: 32

約数和(自身を含む): 31410720

約数和(自身を除く): 17513800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 263, 526, 1052, 1315, 1321, 2104, 2630, 2642, 5260, 5284, 6605, 10520, 10568, 13210, 26420, 52840, 347423, 694846, 1389692, 1737115, 2779384, 3474230, 6948460, 13896920]

約数ペア:

[(1, 13896920), (2, 6948460), (4, 3474230), (5, 2779384), (8, 1737115), (10, 1389692), (20, 694846), (40, 347423), (263, 52840), (526, 26420), (1052, 13210), (1315, 10568), (1321, 10520), (2104, 6605), (2630, 5284), (2642, 5260)]