25812325

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{53}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 42747264

約数和(自身を除く): 16934939

約数列:

[1, 5, 7, 11, 23, 25, 35, 53, 55, 77, 115, 121, 161, 175, 253, 265, 275, 371, 385, 575, 583, 605, 805, 847, 1219, 1265, 1325, 1771, 1855, 1925, 2783, 2915, 3025, 4025, 4081, 4235, 6095, 6325, 6413, 8533, 8855, 9275, 13409, 13915, 14575, 19481, 20405, 21175, 30475, 32065, 42665, 44275, 44891, 67045, 69575, 93863, 97405, 102025, 147499, 160325, 213325, 224455, 335225, 469315, 487025, 737495, 1032493, 1122275, 2346575, 3687475, 5162465, 25812325]

約数ペア:

[(1, 25812325), (5, 5162465), (7, 3687475), (11, 2346575), (23, 1122275), (25, 1032493), (35, 737495), (53, 487025), (55, 469315), (77, 335225), (115, 224455), (121, 213325), (161, 160325), (175, 147499), (253, 102025), (265, 97405), (275, 93863), (371, 69575), (385, 67045), (575, 44891), (583, 44275), (605, 42665), (805, 32065), (847, 30475), (1219, 21175), (1265, 20405), (1325, 19481), (1771, 14575), (1855, 13915), (1925, 13409), (2783, 9275), (2915, 8855), (3025, 8533), (4025, 6413), (4081, 6325), (4235, 6095)]