25500475

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1019}}^1$

素因数の和:1060

約数の個数: 48

約数和(自身を含む): 42497280

約数和(自身を除く): 16996805

約数列:

[1, 5, 7, 11, 13, 25, 35, 55, 65, 77, 91, 143, 175, 275, 325, 385, 455, 715, 1001, 1019, 1925, 2275, 3575, 5005, 5095, 7133, 11209, 13247, 25025, 25475, 35665, 56045, 66235, 78463, 92729, 145717, 178325, 280225, 331175, 392315, 463645, 728585, 1020019, 1961575, 2318225, 3642925, 5100095, 25500475]

約数ペア:

[(1, 25500475), (5, 5100095), (7, 3642925), (11, 2318225), (13, 1961575), (25, 1020019), (35, 728585), (55, 463645), (65, 392315), (77, 331175), (91, 280225), (143, 178325), (175, 145717), (275, 92729), (325, 78463), (385, 66235), (455, 56045), (715, 35665), (1001, 25475), (1019, 25025), (1925, 13247), (2275, 11209), (3575, 7133), (5005, 5095)]