201608080

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{569}}^1$

素因数の和:728

約数の個数: 80

約数和(自身を含む): 485147520

約数和(自身を除く): 283539440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 103, 172, 206, 215, 344, 412, 430, 515, 569, 688, 824, 860, 1030, 1138, 1648, 1720, 2060, 2276, 2845, 3440, 4120, 4429, 4552, 5690, 8240, 8858, 9104, 11380, 17716, 22145, 22760, 24467, 35432, 44290, 45520, 48934, 58607, 70864, 88580, 97868, 117214, 122335, 177160, 195736, 234428, 244670, 293035, 354320, 391472, 468856, 489340, 586070, 937712, 978680, 1172140, 1957360, 2344280, 2520101, 4688560, 5040202, 10080404, 12600505, 20160808, 25201010, 40321616, 50402020, 100804040, 201608080]

約数ペア:

[(1, 201608080), (2, 100804040), (4, 50402020), (5, 40321616), (8, 25201010), (10, 20160808), (16, 12600505), (20, 10080404), (40, 5040202), (43, 4688560), (80, 2520101), (86, 2344280), (103, 1957360), (172, 1172140), (206, 978680), (215, 937712), (344, 586070), (412, 489340), (430, 468856), (515, 391472), (569, 354320), (688, 293035), (824, 244670), (860, 234428), (1030, 195736), (1138, 177160), (1648, 122335), (1720, 117214), (2060, 97868), (2276, 88580), (2845, 70864), (3440, 58607), (4120, 48934), (4429, 45520), (4552, 44290), (5690, 35432), (8240, 24467), (8858, 22760), (9104, 22145), (11380, 17716)]