80203716

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{20071}}^1$

素因数の和:20121

約数の個数: 48

約数和(自身を含む): 213566080

約数和(自身を除く): 133362364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 20071, 40142, 60213, 80284, 120426, 180639, 240852, 361278, 541917, 722556, 742627, 1083834, 1485254, 2167668, 2227881, 2970508, 4455762, 6683643, 8911524, 13367286, 20050929, 26734572, 40101858, 80203716]

約数ペア:

[(1, 80203716), (2, 40101858), (3, 26734572), (4, 20050929), (6, 13367286), (9, 8911524), (12, 6683643), (18, 4455762), (27, 2970508), (36, 2227881), (37, 2167668), (54, 1485254), (74, 1083834), (108, 742627), (111, 722556), (148, 541917), (222, 361278), (333, 240852), (444, 180639), (666, 120426), (999, 80284), (1332, 60213), (1998, 40142), (3996, 20071)]