22518340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{337}}^1$

素因数の和:616

約数の個数: 48

約数和(自身を含む): 51275952

約数和(自身を除く): 28757612

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 257, 260, 337, 514, 674, 1028, 1285, 1348, 1685, 2570, 3341, 3370, 4381, 5140, 6682, 6740, 8762, 13364, 16705, 17524, 21905, 33410, 43810, 66820, 86609, 87620, 173218, 346436, 433045, 866090, 1125917, 1732180, 2251834, 4503668, 5629585, 11259170, 22518340]

約数ペア:

[(1, 22518340), (2, 11259170), (4, 5629585), (5, 4503668), (10, 2251834), (13, 1732180), (20, 1125917), (26, 866090), (52, 433045), (65, 346436), (130, 173218), (257, 87620), (260, 86609), (337, 66820), (514, 43810), (674, 33410), (1028, 21905), (1285, 17524), (1348, 16705), (1685, 13364), (2570, 8762), (3341, 6740), (3370, 6682), (4381, 5140)]