71415880

素因数分解:

$2^3\times 5^1\times {\mathrm{167}}^1\times {\mathrm{10691}}^1$

素因数の和:10869

約数の個数: 32

約数和(自身を含む): 161663040

約数和(自身を除く): 90247160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 167, 334, 668, 835, 1336, 1670, 3340, 6680, 10691, 21382, 42764, 53455, 85528, 106910, 213820, 427640, 1785397, 3570794, 7141588, 8926985, 14283176, 17853970, 35707940, 71415880]

約数ペア:

[(1, 71415880), (2, 35707940), (4, 17853970), (5, 14283176), (8, 8926985), (10, 7141588), (20, 3570794), (40, 1785397), (167, 427640), (334, 213820), (668, 106910), (835, 85528), (1336, 53455), (1670, 42764), (3340, 21382), (6680, 10691)]