79608880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1867}}^1$

素因数の和:1934

約数の個数: 80

約数和(自身を含む): 204299424

約数和(自身を除く): 124690544

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 41, 52, 65, 80, 82, 104, 130, 164, 205, 208, 260, 328, 410, 520, 533, 656, 820, 1040, 1066, 1640, 1867, 2132, 2665, 3280, 3734, 4264, 5330, 7468, 8528, 9335, 10660, 14936, 18670, 21320, 24271, 29872, 37340, 42640, 48542, 74680, 76547, 97084, 121355, 149360, 153094, 194168, 242710, 306188, 382735, 388336, 485420, 612376, 765470, 970840, 995111, 1224752, 1530940, 1941680, 1990222, 3061880, 3980444, 4975555, 6123760, 7960888, 9951110, 15921776, 19902220, 39804440, 79608880]

約数ペア:

[(1, 79608880), (2, 39804440), (4, 19902220), (5, 15921776), (8, 9951110), (10, 7960888), (13, 6123760), (16, 4975555), (20, 3980444), (26, 3061880), (40, 1990222), (41, 1941680), (52, 1530940), (65, 1224752), (80, 995111), (82, 970840), (104, 765470), (130, 612376), (164, 485420), (205, 388336), (208, 382735), (260, 306188), (328, 242710), (410, 194168), (520, 153094), (533, 149360), (656, 121355), (820, 97084), (1040, 76547), (1066, 74680), (1640, 48542), (1867, 42640), (2132, 37340), (2665, 29872), (3280, 24271), (3734, 21320), (4264, 18670), (5330, 14936), (7468, 10660), (8528, 9335)]