8323357360

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1979}}^1\times {\mathrm{2767}}^1$

素因数の和:4778

約数の個数: 80

約数和(自身を含む): 20387980800

約数和(自身を除く): 12064623440

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1979, 2767, 3958, 5534, 7916, 9895, 11068, 13835, 15832, 19790, 22136, 27670, 31664, 37601, 39580, 44272, 52573, 55340, 75202, 79160, 105146, 110680, 150404, 158320, 188005, 210292, 221360, 262865, 300808, 376010, 420584, 525730, 601616, 752020, 841168, 1051460, 1504040, 2102920, 3008080, 4205840, 5475893, 10951786, 21903572, 27379465, 43807144, 54758930, 87614288, 104041967, 109517860, 208083934, 219035720, 416167868, 438071440, 520209835, 832335736, 1040419670, 1664671472, 2080839340, 4161678680, 8323357360]

約数ペア:

[(1, 8323357360), (2, 4161678680), (4, 2080839340), (5, 1664671472), (8, 1040419670), (10, 832335736), (16, 520209835), (19, 438071440), (20, 416167868), (38, 219035720), (40, 208083934), (76, 109517860), (80, 104041967), (95, 87614288), (152, 54758930), (190, 43807144), (304, 27379465), (380, 21903572), (760, 10951786), (1520, 5475893), (1979, 4205840), (2767, 3008080), (3958, 2102920), (5534, 1504040), (7916, 1051460), (9895, 841168), (11068, 752020), (13835, 601616), (15832, 525730), (19790, 420584), (22136, 376010), (27670, 300808), (31664, 262865), (37601, 221360), (39580, 210292), (44272, 188005), (52573, 158320), (55340, 150404), (75202, 110680), (79160, 105146)]