161840950

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{45589}}^1$

素因数の和:45672

約数の個数: 24

約数和(自身を含む): 305270640

約数和(自身を除く): 143429690

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 45589, 91178, 227945, 455890, 1139725, 2279450, 3236819, 6473638, 16184095, 32368190, 80920475, 161840950]

約数ペア:

[(1, 161840950), (2, 80920475), (5, 32368190), (10, 16184095), (25, 6473638), (50, 3236819), (71, 2279450), (142, 1139725), (355, 455890), (710, 227945), (1775, 91178), (3550, 45589)]