2505575

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:155

約数の個数: 24

約数和(自身を含む): 3321216

約数和(自身を除く): 815641

約数列:

[1, 5, 25, 31, 53, 61, 155, 265, 305, 775, 1325, 1525, 1643, 1891, 3233, 8215, 9455, 16165, 41075, 47275, 80825, 100223, 501115, 2505575]

約数ペア:

[(1, 2505575), (5, 501115), (25, 100223), (31, 80825), (53, 47275), (61, 41075), (155, 16165), (265, 9455), (305, 8215), (775, 3233), (1325, 1891), (1525, 1643)]