5141320

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1627}}^1$

素因数の和:1717

約数の個数: 32

約数和(自身を含む): 11721600

約数和(自身を除く): 6580280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 1627, 3160, 3254, 6508, 8135, 13016, 16270, 32540, 65080, 128533, 257066, 514132, 642665, 1028264, 1285330, 2570660, 5141320]

約数ペア:

[(1, 5141320), (2, 2570660), (4, 1285330), (5, 1028264), (8, 642665), (10, 514132), (20, 257066), (40, 128533), (79, 65080), (158, 32540), (316, 16270), (395, 13016), (632, 8135), (790, 6508), (1580, 3254), (1627, 3160)]