28324240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{1367}}^1$

素因数の和:1424

約数の個数: 80

約数和(自身を含む): 77352192

約数和(自身を除く): 49027952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 112, 140, 148, 185, 259, 280, 296, 370, 518, 560, 592, 740, 1036, 1295, 1367, 1480, 2072, 2590, 2734, 2960, 4144, 5180, 5468, 6835, 9569, 10360, 10936, 13670, 19138, 20720, 21872, 27340, 38276, 47845, 50579, 54680, 76552, 95690, 101158, 109360, 153104, 191380, 202316, 252895, 354053, 382760, 404632, 505790, 708106, 765520, 809264, 1011580, 1416212, 1770265, 2023160, 2832424, 3540530, 4046320, 5664848, 7081060, 14162120, 28324240]

約数ペア:

[(1, 28324240), (2, 14162120), (4, 7081060), (5, 5664848), (7, 4046320), (8, 3540530), (10, 2832424), (14, 2023160), (16, 1770265), (20, 1416212), (28, 1011580), (35, 809264), (37, 765520), (40, 708106), (56, 505790), (70, 404632), (74, 382760), (80, 354053), (112, 252895), (140, 202316), (148, 191380), (185, 153104), (259, 109360), (280, 101158), (296, 95690), (370, 76552), (518, 54680), (560, 50579), (592, 47845), (740, 38276), (1036, 27340), (1295, 21872), (1367, 20720), (1480, 19138), (2072, 13670), (2590, 10936), (2734, 10360), (2960, 9569), (4144, 6835), (5180, 5468)]