13203580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1181}}^1$

素因数の和:1246

約数の個数: 48

約数和(自身を含む): 30580704

約数和(自身を除く): 17377124

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1181, 2236, 2362, 2795, 4724, 5590, 5905, 11180, 11810, 15353, 23620, 30706, 50783, 61412, 76765, 101566, 153530, 203132, 253915, 307060, 507830, 660179, 1015660, 1320358, 2640716, 3300895, 6601790, 13203580]

約数ペア:

[(1, 13203580), (2, 6601790), (4, 3300895), (5, 2640716), (10, 1320358), (13, 1015660), (20, 660179), (26, 507830), (43, 307060), (52, 253915), (65, 203132), (86, 153530), (130, 101566), (172, 76765), (215, 61412), (260, 50783), (430, 30706), (559, 23620), (860, 15353), (1118, 11810), (1181, 11180), (2236, 5905), (2362, 5590), (2795, 4724)]