78655120

素因数分解:

$2^4\times 5^1\times {\mathrm{983189}}^1$

素因数の和:983202

約数の個数: 20

約数和(自身を含む): 182873340

約数和(自身を除く): 104218220

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 983189, 1966378, 3932756, 4915945, 7865512, 9831890, 15731024, 19663780, 39327560, 78655120]

約数ペア:

[(1, 78655120), (2, 39327560), (4, 19663780), (5, 15731024), (8, 9831890), (10, 7865512), (16, 4915945), (20, 3932756), (40, 1966378), (80, 983189)]