61218320

素因数分解:

$2^4\times 5^1\times {\mathrm{765229}}^1$

素因数の和:765242

約数の個数: 20

約数和(自身を含む): 142332780

約数和(自身を除く): 81114460

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 765229, 1530458, 3060916, 3826145, 6121832, 7652290, 12243664, 15304580, 30609160, 61218320]

約数ペア:

[(1, 61218320), (2, 30609160), (4, 15304580), (5, 12243664), (8, 7652290), (10, 6121832), (16, 3826145), (20, 3060916), (40, 1530458), (80, 765229)]