28197680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1171}}^1$

素因数の和:1234

約数の個数: 80

約数和(自身を含む): 76733184

約数和(自身を除く): 48535504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1171, 1204, 1505, 1720, 2342, 2408, 3010, 3440, 4684, 4816, 5855, 6020, 8197, 9368, 11710, 12040, 16394, 18736, 23420, 24080, 32788, 40985, 46840, 50353, 65576, 81970, 93680, 100706, 131152, 163940, 201412, 251765, 327880, 352471, 402824, 503530, 655760, 704942, 805648, 1007060, 1409884, 1762355, 2014120, 2819768, 3524710, 4028240, 5639536, 7049420, 14098840, 28197680]

約数ペア:

[(1, 28197680), (2, 14098840), (4, 7049420), (5, 5639536), (7, 4028240), (8, 3524710), (10, 2819768), (14, 2014120), (16, 1762355), (20, 1409884), (28, 1007060), (35, 805648), (40, 704942), (43, 655760), (56, 503530), (70, 402824), (80, 352471), (86, 327880), (112, 251765), (140, 201412), (172, 163940), (215, 131152), (280, 100706), (301, 93680), (344, 81970), (430, 65576), (560, 50353), (602, 46840), (688, 40985), (860, 32788), (1171, 24080), (1204, 23420), (1505, 18736), (1720, 16394), (2342, 12040), (2408, 11710), (3010, 9368), (3440, 8197), (4684, 6020), (4816, 5855)]