8389360

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:302

約数の個数: 80

約数和(自身を含む): 22712832

約数和(自身を除く): 14323472

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 71, 80, 112, 140, 142, 211, 280, 284, 355, 422, 497, 560, 568, 710, 844, 994, 1055, 1136, 1420, 1477, 1688, 1988, 2110, 2485, 2840, 2954, 3376, 3976, 4220, 4970, 5680, 5908, 7385, 7952, 8440, 9940, 11816, 14770, 14981, 16880, 19880, 23632, 29540, 29962, 39760, 59080, 59924, 74905, 104867, 118160, 119848, 149810, 209734, 239696, 299620, 419468, 524335, 599240, 838936, 1048670, 1198480, 1677872, 2097340, 4194680, 8389360]

約数ペア:

[(1, 8389360), (2, 4194680), (4, 2097340), (5, 1677872), (7, 1198480), (8, 1048670), (10, 838936), (14, 599240), (16, 524335), (20, 419468), (28, 299620), (35, 239696), (40, 209734), (56, 149810), (70, 119848), (71, 118160), (80, 104867), (112, 74905), (140, 59924), (142, 59080), (211, 39760), (280, 29962), (284, 29540), (355, 23632), (422, 19880), (497, 16880), (560, 14981), (568, 14770), (710, 11816), (844, 9940), (994, 8440), (1055, 7952), (1136, 7385), (1420, 5908), (1477, 5680), (1688, 4970), (1988, 4220), (2110, 3976), (2485, 3376), (2840, 2954)]