28173680

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1$

素因数の和:246

約数の個数: 80

約数和(自身を含む): 68567040

約数和(自身を除く): 40393360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 59, 80, 94, 118, 127, 188, 235, 236, 254, 295, 376, 470, 472, 508, 590, 635, 752, 940, 944, 1016, 1180, 1270, 1880, 2032, 2360, 2540, 2773, 3760, 4720, 5080, 5546, 5969, 7493, 10160, 11092, 11938, 13865, 14986, 22184, 23876, 27730, 29845, 29972, 37465, 44368, 47752, 55460, 59690, 59944, 74930, 95504, 110920, 119380, 119888, 149860, 221840, 238760, 299720, 352171, 477520, 599440, 704342, 1408684, 1760855, 2817368, 3521710, 5634736, 7043420, 14086840, 28173680]

約数ペア:

[(1, 28173680), (2, 14086840), (4, 7043420), (5, 5634736), (8, 3521710), (10, 2817368), (16, 1760855), (20, 1408684), (40, 704342), (47, 599440), (59, 477520), (80, 352171), (94, 299720), (118, 238760), (127, 221840), (188, 149860), (235, 119888), (236, 119380), (254, 110920), (295, 95504), (376, 74930), (470, 59944), (472, 59690), (508, 55460), (590, 47752), (635, 44368), (752, 37465), (940, 29972), (944, 29845), (1016, 27730), (1180, 23876), (1270, 22184), (1880, 14986), (2032, 13865), (2360, 11938), (2540, 11092), (2773, 10160), (3760, 7493), (4720, 5969), (5080, 5546)]