51125975

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{1609}}^1$

素因数の和:1691

約数の個数: 24

約数和(自身を含む): 67079040

約数和(自身を除く): 15953065

約数列:

[1, 5, 25, 31, 41, 155, 205, 775, 1025, 1271, 1609, 6355, 8045, 31775, 40225, 49879, 65969, 249395, 329845, 1246975, 1649225, 2045039, 10225195, 51125975]

約数ペア:

[(1, 51125975), (5, 10225195), (25, 2045039), (31, 1649225), (41, 1246975), (155, 329845), (205, 249395), (775, 65969), (1025, 49879), (1271, 40225), (1609, 31775), (6355, 8045)]