291920080

素因数分解:

$2^4\times 5^1\times {\mathrm{3649001}}^1$

素因数の和:3649014

約数の個数: 20

約数和(自身を含む): 678714372

約数和(自身を除く): 386794292

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3649001, 7298002, 14596004, 18245005, 29192008, 36490010, 58384016, 72980020, 145960040, 291920080]

約数ペア:

[(1, 291920080), (2, 145960040), (4, 72980020), (5, 58384016), (8, 36490010), (10, 29192008), (16, 18245005), (20, 14596004), (40, 7298002), (80, 3649001)]