80994160

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1657}}^1$

素因数の和:1730

約数の個数: 80

約数和(自身を含む): 207236736

約数和(自身を除く): 126242576

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 47, 52, 65, 80, 94, 104, 130, 188, 208, 235, 260, 376, 470, 520, 611, 752, 940, 1040, 1222, 1657, 1880, 2444, 3055, 3314, 3760, 4888, 6110, 6628, 8285, 9776, 12220, 13256, 16570, 21541, 24440, 26512, 33140, 43082, 48880, 66280, 77879, 86164, 107705, 132560, 155758, 172328, 215410, 311516, 344656, 389395, 430820, 623032, 778790, 861640, 1012427, 1246064, 1557580, 1723280, 2024854, 3115160, 4049708, 5062135, 6230320, 8099416, 10124270, 16198832, 20248540, 40497080, 80994160]

約数ペア:

[(1, 80994160), (2, 40497080), (4, 20248540), (5, 16198832), (8, 10124270), (10, 8099416), (13, 6230320), (16, 5062135), (20, 4049708), (26, 3115160), (40, 2024854), (47, 1723280), (52, 1557580), (65, 1246064), (80, 1012427), (94, 861640), (104, 778790), (130, 623032), (188, 430820), (208, 389395), (235, 344656), (260, 311516), (376, 215410), (470, 172328), (520, 155758), (611, 132560), (752, 107705), (940, 86164), (1040, 77879), (1222, 66280), (1657, 48880), (1880, 43082), (2444, 33140), (3055, 26512), (3314, 24440), (3760, 21541), (4888, 16570), (6110, 13256), (6628, 12220), (8285, 9776)]