28575440

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{113}}^1$

素因数の和:264

約数の個数: 80

約数和(自身を含む): 69973200

約数和(自身を除く): 41397760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 109, 113, 116, 145, 218, 226, 232, 290, 436, 452, 464, 545, 565, 580, 872, 904, 1090, 1130, 1160, 1744, 1808, 2180, 2260, 2320, 3161, 3277, 4360, 4520, 6322, 6554, 8720, 9040, 12317, 12644, 13108, 15805, 16385, 24634, 25288, 26216, 31610, 32770, 49268, 50576, 52432, 61585, 63220, 65540, 98536, 123170, 126440, 131080, 197072, 246340, 252880, 262160, 357193, 492680, 714386, 985360, 1428772, 1785965, 2857544, 3571930, 5715088, 7143860, 14287720, 28575440]

約数ペア:

[(1, 28575440), (2, 14287720), (4, 7143860), (5, 5715088), (8, 3571930), (10, 2857544), (16, 1785965), (20, 1428772), (29, 985360), (40, 714386), (58, 492680), (80, 357193), (109, 262160), (113, 252880), (116, 246340), (145, 197072), (218, 131080), (226, 126440), (232, 123170), (290, 98536), (436, 65540), (452, 63220), (464, 61585), (545, 52432), (565, 50576), (580, 49268), (872, 32770), (904, 31610), (1090, 26216), (1130, 25288), (1160, 24634), (1744, 16385), (1808, 15805), (2180, 13108), (2260, 12644), (2320, 12317), (3161, 9040), (3277, 8720), (4360, 6554), (4520, 6322)]