8998960

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{571}}^1$

素因数の和:781

約数の個数: 40

約数和(自身を含む): 21065616

約数和(自身を除く): 12066656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 571, 788, 985, 1142, 1576, 1970, 2284, 2855, 3152, 3940, 4568, 5710, 7880, 9136, 11420, 15760, 22840, 45680, 112487, 224974, 449948, 562435, 899896, 1124870, 1799792, 2249740, 4499480, 8998960]

約数ペア:

[(1, 8998960), (2, 4499480), (4, 2249740), (5, 1799792), (8, 1124870), (10, 899896), (16, 562435), (20, 449948), (40, 224974), (80, 112487), (197, 45680), (394, 22840), (571, 15760), (788, 11420), (985, 9136), (1142, 7880), (1576, 5710), (1970, 4568), (2284, 3940), (2855, 3152)]