87480280

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29959}}^1$

素因数の和:30043

約数の個数: 32

約数和(自身を含む): 199533600

約数和(自身を除く): 112053320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 29959, 59918, 119836, 149795, 239672, 299590, 599180, 1198360, 2187007, 4374014, 8748028, 10935035, 17496056, 21870070, 43740140, 87480280]

約数ペア:

[(1, 87480280), (2, 43740140), (4, 21870070), (5, 17496056), (8, 10935035), (10, 8748028), (20, 4374014), (40, 2187007), (73, 1198360), (146, 599180), (292, 299590), (365, 239672), (584, 149795), (730, 119836), (1460, 59918), (2920, 29959)]