85040240

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{419}}^1$

素因数の和:534

約数の個数: 80

約数和(自身を含む): 206236800

約数和(自身を除く): 121196560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 59, 80, 86, 118, 172, 215, 236, 295, 344, 419, 430, 472, 590, 688, 838, 860, 944, 1180, 1676, 1720, 2095, 2360, 2537, 3352, 3440, 4190, 4720, 5074, 6704, 8380, 10148, 12685, 16760, 18017, 20296, 24721, 25370, 33520, 36034, 40592, 49442, 50740, 72068, 90085, 98884, 101480, 123605, 144136, 180170, 197768, 202960, 247210, 288272, 360340, 395536, 494420, 720680, 988840, 1063003, 1441360, 1977680, 2126006, 4252012, 5315015, 8504024, 10630030, 17008048, 21260060, 42520120, 85040240]

約数ペア:

[(1, 85040240), (2, 42520120), (4, 21260060), (5, 17008048), (8, 10630030), (10, 8504024), (16, 5315015), (20, 4252012), (40, 2126006), (43, 1977680), (59, 1441360), (80, 1063003), (86, 988840), (118, 720680), (172, 494420), (215, 395536), (236, 360340), (295, 288272), (344, 247210), (419, 202960), (430, 197768), (472, 180170), (590, 144136), (688, 123605), (838, 101480), (860, 98884), (944, 90085), (1180, 72068), (1676, 50740), (1720, 49442), (2095, 40592), (2360, 36034), (2537, 33520), (3352, 25370), (3440, 24721), (4190, 20296), (4720, 18017), (5074, 16760), (6704, 12685), (8380, 10148)]