25771790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 72

約数和(自身を含む): 54726840

約数和(自身を除く): 28955050

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 59, 95, 110, 118, 121, 190, 209, 242, 295, 361, 418, 590, 605, 649, 722, 1045, 1121, 1210, 1298, 1805, 2090, 2242, 2299, 3245, 3610, 3971, 4598, 5605, 6490, 7139, 7942, 11210, 11495, 12331, 14278, 19855, 21299, 22990, 24662, 35695, 39710, 42598, 43681, 61655, 71390, 87362, 106495, 123310, 135641, 212990, 218405, 234289, 271282, 436810, 468578, 678205, 1171445, 1356410, 2342890, 2577179, 5154358, 12885895, 25771790]

約数ペア:

[(1, 25771790), (2, 12885895), (5, 5154358), (10, 2577179), (11, 2342890), (19, 1356410), (22, 1171445), (38, 678205), (55, 468578), (59, 436810), (95, 271282), (110, 234289), (118, 218405), (121, 212990), (190, 135641), (209, 123310), (242, 106495), (295, 87362), (361, 71390), (418, 61655), (590, 43681), (605, 42598), (649, 39710), (722, 35695), (1045, 24662), (1121, 22990), (1210, 21299), (1298, 19855), (1805, 14278), (2090, 12331), (2242, 11495), (2299, 11210), (3245, 7942), (3610, 7139), (3971, 6490), (4598, 5605)]