164078000

素因数分解:

$2^4\times 5^3\times {\mathrm{82039}}^1$

素因数の和:82062

約数の個数: 40

約数和(自身を含む): 396745440

約数和(自身を除く): 232667440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 82039, 164078, 328156, 410195, 656312, 820390, 1312624, 1640780, 2050975, 3281560, 4101950, 6563120, 8203900, 10254875, 16407800, 20509750, 32815600, 41019500, 82039000, 164078000]

約数ペア:

[(1, 164078000), (2, 82039000), (4, 41019500), (5, 32815600), (8, 20509750), (10, 16407800), (16, 10254875), (20, 8203900), (25, 6563120), (40, 4101950), (50, 3281560), (80, 2050975), (100, 1640780), (125, 1312624), (200, 820390), (250, 656312), (400, 410195), (500, 328156), (1000, 164078), (2000, 82039)]