79855280

素因数分解:

$2^4\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2371}}^1$

素因数の和:2805

約数の個数: 40

約数和(自身を含む): 186183024

約数和(自身を除く): 106327744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 421, 842, 1684, 2105, 2371, 3368, 4210, 4742, 6736, 8420, 9484, 11855, 16840, 18968, 23710, 33680, 37936, 47420, 94840, 189680, 998191, 1996382, 3992764, 4990955, 7985528, 9981910, 15971056, 19963820, 39927640, 79855280]

約数ペア:

[(1, 79855280), (2, 39927640), (4, 19963820), (5, 15971056), (8, 9981910), (10, 7985528), (16, 4990955), (20, 3992764), (40, 1996382), (80, 998191), (421, 189680), (842, 94840), (1684, 47420), (2105, 37936), (2371, 33680), (3368, 23710), (4210, 18968), (4742, 16840), (6736, 11855), (8420, 9484)]