25428650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 30817750

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 29, 38, 50, 58, 65, 71, 95, 130, 142, 145, 190, 247, 290, 325, 355, 377, 475, 494, 551, 650, 710, 725, 754, 923, 950, 1102, 1235, 1349, 1450, 1775, 1846, 1885, 2059, 2470, 2698, 2755, 3550, 3770, 4118, 4615, 5510, 6175, 6745, 7163, 9230, 9425, 10295, 12350, 13490, 13775, 14326, 17537, 18850, 20590, 23075, 26767, 27550, 33725, 35074, 35815, 39121, 46150, 51475, 53534, 67450, 71630, 78242, 87685, 102950, 133835, 175370, 179075, 195605, 267670, 358150, 391210, 438425, 508573, 669175, 876850, 978025, 1017146, 1338350, 1956050, 2542865, 5085730, 12714325, 25428650]

約数ペア:

[(1, 25428650), (2, 12714325), (5, 5085730), (10, 2542865), (13, 1956050), (19, 1338350), (25, 1017146), (26, 978025), (29, 876850), (38, 669175), (50, 508573), (58, 438425), (65, 391210), (71, 358150), (95, 267670), (130, 195605), (142, 179075), (145, 175370), (190, 133835), (247, 102950), (290, 87685), (325, 78242), (355, 71630), (377, 67450), (475, 53534), (494, 51475), (551, 46150), (650, 39121), (710, 35815), (725, 35074), (754, 33725), (923, 27550), (950, 26767), (1102, 23075), (1235, 20590), (1349, 18850), (1450, 17537), (1775, 14326), (1846, 13775), (1885, 13490), (2059, 12350), (2470, 10295), (2698, 9425), (2755, 9230), (3550, 7163), (3770, 6745), (4118, 6175), (4615, 5510)]