7871120

素因数分解:

$2^4\times 5^1\times {\mathrm{98389}}^1$

素因数の和:98402

約数の個数: 20

約数和(自身を含む): 18300540

約数和(自身を除く): 10429420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 98389, 196778, 393556, 491945, 787112, 983890, 1574224, 1967780, 3935560, 7871120]

約数ペア:

[(1, 7871120), (2, 3935560), (4, 1967780), (5, 1574224), (8, 983890), (10, 787112), (16, 491945), (20, 393556), (40, 196778), (80, 98389)]