61140820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{18089}}^1$

素因数の和:18124

約数の個数: 36

約数和(自身を含む): 139039740

約数和(自身を除く): 77898920

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 18089, 36178, 72356, 90445, 180890, 235157, 361780, 470314, 940628, 1175785, 2351570, 3057041, 4703140, 6114082, 12228164, 15285205, 30570410, 61140820]

約数ペア:

[(1, 61140820), (2, 30570410), (4, 15285205), (5, 12228164), (10, 6114082), (13, 4703140), (20, 3057041), (26, 2351570), (52, 1175785), (65, 940628), (130, 470314), (169, 361780), (260, 235157), (338, 180890), (676, 90445), (845, 72356), (1690, 36178), (3380, 18089)]