25413640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{281}}^1$

素因数の和:335

約数の個数: 128

約数和(自身を含む): 73094400

約数和(自身を除く): 47680760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 19, 20, 28, 34, 35, 38, 40, 56, 68, 70, 76, 85, 95, 119, 133, 136, 140, 152, 170, 190, 238, 266, 280, 281, 323, 340, 380, 476, 532, 562, 595, 646, 665, 680, 760, 952, 1064, 1124, 1190, 1292, 1330, 1405, 1615, 1967, 2248, 2261, 2380, 2584, 2660, 2810, 3230, 3934, 4522, 4760, 4777, 5320, 5339, 5620, 6460, 7868, 9044, 9554, 9835, 10678, 11240, 11305, 12920, 15736, 18088, 19108, 19670, 21356, 22610, 23885, 26695, 33439, 37373, 38216, 39340, 42712, 45220, 47770, 53390, 66878, 74746, 78680, 90440, 90763, 95540, 106780, 133756, 149492, 167195, 181526, 186865, 191080, 213560, 267512, 298984, 334390, 363052, 373730, 453815, 635341, 668780, 726104, 747460, 907630, 1270682, 1337560, 1494920, 1815260, 2541364, 3176705, 3630520, 5082728, 6353410, 12706820, 25413640]

約数ペア:

[(1, 25413640), (2, 12706820), (4, 6353410), (5, 5082728), (7, 3630520), (8, 3176705), (10, 2541364), (14, 1815260), (17, 1494920), (19, 1337560), (20, 1270682), (28, 907630), (34, 747460), (35, 726104), (38, 668780), (40, 635341), (56, 453815), (68, 373730), (70, 363052), (76, 334390), (85, 298984), (95, 267512), (119, 213560), (133, 191080), (136, 186865), (140, 181526), (152, 167195), (170, 149492), (190, 133756), (238, 106780), (266, 95540), (280, 90763), (281, 90440), (323, 78680), (340, 74746), (380, 66878), (476, 53390), (532, 47770), (562, 45220), (595, 42712), (646, 39340), (665, 38216), (680, 37373), (760, 33439), (952, 26695), (1064, 23885), (1124, 22610), (1190, 21356), (1292, 19670), (1330, 19108), (1405, 18088), (1615, 15736), (1967, 12920), (2248, 11305), (2261, 11240), (2380, 10678), (2584, 9835), (2660, 9554), (2810, 9044), (3230, 7868), (3934, 6460), (4522, 5620), (4760, 5339), (4777, 5320)]