1219564580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4690633}}^1$

素因数の和:4690655

約数の個数: 24

約数和(自身を含む): 2758092792

約数和(自身を除く): 1538528212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 4690633, 9381266, 18762532, 23453165, 46906330, 60978229, 93812660, 121956458, 243912916, 304891145, 609782290, 1219564580]

約数ペア:

[(1, 1219564580), (2, 609782290), (4, 304891145), (5, 243912916), (10, 121956458), (13, 93812660), (20, 60978229), (26, 46906330), (52, 23453165), (65, 18762532), (130, 9381266), (260, 4690633)]