25045220

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2789}}^1$

素因数の和:3247

約数の個数: 24

約数和(自身を含む): 52731000

約数和(自身を除く): 27685780

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 2789, 4490, 5578, 8980, 11156, 13945, 27890, 55780, 1252261, 2504522, 5009044, 6261305, 12522610, 25045220]

約数ペア:

[(1, 25045220), (2, 12522610), (4, 6261305), (5, 5009044), (10, 2504522), (20, 1252261), (449, 55780), (898, 27890), (1796, 13945), (2245, 11156), (2789, 8980), (4490, 5578)]