25496980

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{4073}}^1$

素因数の和:4395

約数の個数: 24

約数和(自身を含む): 53727912

約数和(自身を除く): 28230932

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 4073, 6260, 8146, 16292, 20365, 40730, 81460, 1274849, 2549698, 5099396, 6374245, 12748490, 25496980]

約数ペア:

[(1, 25496980), (2, 12748490), (4, 6374245), (5, 5099396), (10, 2549698), (20, 1274849), (313, 81460), (626, 40730), (1252, 20365), (1565, 16292), (3130, 8146), (4073, 6260)]