9871960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{35257}}^1$

素因数の和:35275

約数の個数: 32

約数和(自身を含む): 25385760

約数和(自身を除く): 15513800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 35257, 70514, 141028, 176285, 246799, 282056, 352570, 493598, 705140, 987196, 1233995, 1410280, 1974392, 2467990, 4935980, 9871960]

約数ペア:

[(1, 9871960), (2, 4935980), (4, 2467990), (5, 1974392), (7, 1410280), (8, 1233995), (10, 987196), (14, 705140), (20, 493598), (28, 352570), (35, 282056), (40, 246799), (56, 176285), (70, 141028), (140, 70514), (280, 35257)]