25356925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 37854720

約数和(自身を除く): 12497795

約数列:

[1, 5, 11, 19, 23, 25, 55, 95, 115, 209, 211, 253, 275, 437, 475, 575, 1045, 1055, 1265, 2185, 2321, 4009, 4807, 4853, 5225, 5275, 6325, 10925, 11605, 20045, 24035, 24265, 44099, 53383, 58025, 92207, 100225, 120175, 121325, 220495, 266915, 461035, 1014277, 1102475, 1334575, 2305175, 5071385, 25356925]

約数ペア:

[(1, 25356925), (5, 5071385), (11, 2305175), (19, 1334575), (23, 1102475), (25, 1014277), (55, 461035), (95, 266915), (115, 220495), (209, 121325), (211, 120175), (253, 100225), (275, 92207), (437, 58025), (475, 53383), (575, 44099), (1045, 24265), (1055, 24035), (1265, 20045), (2185, 11605), (2321, 10925), (4009, 6325), (4807, 5275), (4853, 5225)]