31302520

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{4801}}^1$

素因数の和:4975

約数の個数: 32

約数和(自身を含む): 70877520

約数和(自身を除く): 39575000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 4801, 6520, 9602, 19204, 24005, 38408, 48010, 96020, 192040, 782563, 1565126, 3130252, 3912815, 6260504, 7825630, 15651260, 31302520]

約数ペア:

[(1, 31302520), (2, 15651260), (4, 7825630), (5, 6260504), (8, 3912815), (10, 3130252), (20, 1565126), (40, 782563), (163, 192040), (326, 96020), (652, 48010), (815, 38408), (1304, 24005), (1630, 19204), (3260, 9602), (4801, 6520)]