25032280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^2$

素因数の和:90

約数の個数: 144

約数和(自身を含む): 72863280

約数和(自身を除く): 47831000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 23, 26, 28, 35, 40, 46, 52, 56, 65, 70, 91, 92, 104, 115, 130, 140, 161, 169, 182, 184, 230, 260, 280, 299, 322, 338, 364, 455, 460, 520, 529, 598, 644, 676, 728, 805, 845, 910, 920, 1058, 1183, 1196, 1288, 1352, 1495, 1610, 1690, 1820, 2093, 2116, 2366, 2392, 2645, 2990, 3220, 3380, 3640, 3703, 3887, 4186, 4232, 4732, 5290, 5915, 5980, 6440, 6760, 6877, 7406, 7774, 8372, 9464, 10465, 10580, 11830, 11960, 13754, 14812, 15548, 16744, 18515, 19435, 20930, 21160, 23660, 27209, 27508, 29624, 31096, 34385, 37030, 38870, 41860, 47320, 48139, 54418, 55016, 68770, 74060, 77740, 83720, 89401, 96278, 108836, 136045, 137540, 148120, 155480, 178802, 192556, 217672, 240695, 272090, 275080, 357604, 385112, 447005, 481390, 544180, 625807, 715208, 894010, 962780, 1088360, 1251614, 1788020, 1925560, 2503228, 3129035, 3576040, 5006456, 6258070, 12516140, 25032280]

約数ペア:

[(1, 25032280), (2, 12516140), (4, 6258070), (5, 5006456), (7, 3576040), (8, 3129035), (10, 2503228), (13, 1925560), (14, 1788020), (20, 1251614), (23, 1088360), (26, 962780), (28, 894010), (35, 715208), (40, 625807), (46, 544180), (52, 481390), (56, 447005), (65, 385112), (70, 357604), (91, 275080), (92, 272090), (104, 240695), (115, 217672), (130, 192556), (140, 178802), (161, 155480), (169, 148120), (182, 137540), (184, 136045), (230, 108836), (260, 96278), (280, 89401), (299, 83720), (322, 77740), (338, 74060), (364, 68770), (455, 55016), (460, 54418), (520, 48139), (529, 47320), (598, 41860), (644, 38870), (676, 37030), (728, 34385), (805, 31096), (845, 29624), (910, 27508), (920, 27209), (1058, 23660), (1183, 21160), (1196, 20930), (1288, 19435), (1352, 18515), (1495, 16744), (1610, 15548), (1690, 14812), (1820, 13754), (2093, 11960), (2116, 11830), (2366, 10580), (2392, 10465), (2645, 9464), (2990, 8372), (3220, 7774), (3380, 7406), (3640, 6877), (3703, 6760), (3887, 6440), (4186, 5980), (4232, 5915), (4732, 5290)]