28905050

素因数分解:

$2^1\times 5^2\times {\mathrm{139}}^1\times {\mathrm{4159}}^1$

素因数の和:4310

約数の個数: 24

約数和(自身を含む): 54163200

約数和(自身を除く): 25258150

約数列:

[1, 2, 5, 10, 25, 50, 139, 278, 695, 1390, 3475, 4159, 6950, 8318, 20795, 41590, 103975, 207950, 578101, 1156202, 2890505, 5781010, 14452525, 28905050]

約数ペア:

[(1, 28905050), (2, 14452525), (5, 5781010), (10, 2890505), (25, 1156202), (50, 578101), (139, 207950), (278, 103975), (695, 41590), (1390, 20795), (3475, 8318), (4159, 6950)]