8453680

素因数分解:

$2^4\times 5^1\times {\mathrm{251}}^1\times {\mathrm{421}}^1$

素因数の和:685

約数の個数: 40

約数和(自身を含む): 19779984

約数和(自身を除く): 11326304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251, 421, 502, 842, 1004, 1255, 1684, 2008, 2105, 2510, 3368, 4016, 4210, 5020, 6736, 8420, 10040, 16840, 20080, 33680, 105671, 211342, 422684, 528355, 845368, 1056710, 1690736, 2113420, 4226840, 8453680]

約数ペア:

[(1, 8453680), (2, 4226840), (4, 2113420), (5, 1690736), (8, 1056710), (10, 845368), (16, 528355), (20, 422684), (40, 211342), (80, 105671), (251, 33680), (421, 20080), (502, 16840), (842, 10040), (1004, 8420), (1255, 6736), (1684, 5020), (2008, 4210), (2105, 4016), (2510, 3368)]