166413920

素因数分解:

$2^5\times 5^1\times {\mathrm{409}}^1\times {\mathrm{2543}}^1$

素因数の和:2967

約数の個数: 48

約数和(自身を含む): 394269120

約数和(自身を除く): 227855200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 409, 818, 1636, 2045, 2543, 3272, 4090, 5086, 6544, 8180, 10172, 12715, 13088, 16360, 20344, 25430, 32720, 40688, 50860, 65440, 81376, 101720, 203440, 406880, 1040087, 2080174, 4160348, 5200435, 8320696, 10400870, 16641392, 20801740, 33282784, 41603480, 83206960, 166413920]

約数ペア:

[(1, 166413920), (2, 83206960), (4, 41603480), (5, 33282784), (8, 20801740), (10, 16641392), (16, 10400870), (20, 8320696), (32, 5200435), (40, 4160348), (80, 2080174), (160, 1040087), (409, 406880), (818, 203440), (1636, 101720), (2045, 81376), (2543, 65440), (3272, 50860), (4090, 40688), (5086, 32720), (6544, 25430), (8180, 20344), (10172, 16360), (12715, 13088)]