61385020

素因数分解:

$2^2\times 5^1\times {\mathrm{149}}^1\times {\mathrm{20599}}^1$

素因数の和:20757

約数の個数: 24

約数和(自身を含む): 129780000

約数和(自身を除く): 68394980

約数列:

[1, 2, 4, 5, 10, 20, 149, 298, 596, 745, 1490, 2980, 20599, 41198, 82396, 102995, 205990, 411980, 3069251, 6138502, 12277004, 15346255, 30692510, 61385020]

約数ペア:

[(1, 61385020), (2, 30692510), (4, 15346255), (5, 12277004), (10, 6138502), (20, 3069251), (149, 411980), (298, 205990), (596, 102995), (745, 82396), (1490, 41198), (2980, 20599)]