28357360

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:778

約数の個数: 80

約数和(自身を含む): 72316800

約数和(自身を除く): 43959440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 719, 986, 1160, 1360, 1438, 1972, 2320, 2465, 2876, 3595, 3944, 4930, 5752, 7190, 7888, 9860, 11504, 12223, 14380, 19720, 20851, 24446, 28760, 39440, 41702, 48892, 57520, 61115, 83404, 97784, 104255, 122230, 166808, 195568, 208510, 244460, 333616, 354467, 417020, 488920, 708934, 834040, 977840, 1417868, 1668080, 1772335, 2835736, 3544670, 5671472, 7089340, 14178680, 28357360]

約数ペア:

[(1, 28357360), (2, 14178680), (4, 7089340), (5, 5671472), (8, 3544670), (10, 2835736), (16, 1772335), (17, 1668080), (20, 1417868), (29, 977840), (34, 834040), (40, 708934), (58, 488920), (68, 417020), (80, 354467), (85, 333616), (116, 244460), (136, 208510), (145, 195568), (170, 166808), (232, 122230), (272, 104255), (290, 97784), (340, 83404), (464, 61115), (493, 57520), (580, 48892), (680, 41702), (719, 39440), (986, 28760), (1160, 24446), (1360, 20851), (1438, 19720), (1972, 14380), (2320, 12223), (2465, 11504), (2876, 9860), (3595, 7888), (3944, 7190), (4930, 5752)]