81831670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{2579}}^1$

素因数の和:2772

約数の個数: 32

約数和(自身を含む): 156038400

約数和(自身を除く): 74206730

約数列:

[1, 2, 5, 10, 19, 38, 95, 167, 190, 334, 835, 1670, 2579, 3173, 5158, 6346, 12895, 15865, 25790, 31730, 49001, 98002, 245005, 430693, 490010, 861386, 2153465, 4306930, 8183167, 16366334, 40915835, 81831670]

約数ペア:

[(1, 81831670), (2, 40915835), (5, 16366334), (10, 8183167), (19, 4306930), (38, 2153465), (95, 861386), (167, 490010), (190, 430693), (334, 245005), (835, 98002), (1670, 49001), (2579, 31730), (3173, 25790), (5158, 15865), (6346, 12895)]