84487120

素因数分解:

$2^4\times 5^1\times {\mathrm{1056089}}^1$

素因数の和:1056102

約数の個数: 20

約数和(自身を含む): 196432740

約数和(自身を除く): 111945620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1056089, 2112178, 4224356, 5280445, 8448712, 10560890, 16897424, 21121780, 42243560, 84487120]

約数ペア:

[(1, 84487120), (2, 42243560), (4, 21121780), (5, 16897424), (8, 10560890), (10, 8448712), (16, 5280445), (20, 4224356), (40, 2112178), (80, 1056089)]