81848840

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{5399}}^1$

素因数の和:5789

約数の個数: 32

約数和(自身を含む): 184680000

約数和(自身を除く): 102831160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1516, 1895, 3032, 3790, 5399, 7580, 10798, 15160, 21596, 26995, 43192, 53990, 107980, 215960, 2046221, 4092442, 8184884, 10231105, 16369768, 20462210, 40924420, 81848840]

約数ペア:

[(1, 81848840), (2, 40924420), (4, 20462210), (5, 16369768), (8, 10231105), (10, 8184884), (20, 4092442), (40, 2046221), (379, 215960), (758, 107980), (1516, 53990), (1895, 43192), (3032, 26995), (3790, 21596), (5399, 15160), (7580, 10798)]