80002480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{24391}}^1$

素因数の和:24445

約数の個数: 40

約数和(自身を含む): 190550304

約数和(自身を除く): 110547824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 24391, 48782, 97564, 121955, 195128, 243910, 390256, 487820, 975640, 1000031, 1951280, 2000062, 4000124, 5000155, 8000248, 10000310, 16000496, 20000620, 40001240, 80002480]

約数ペア:

[(1, 80002480), (2, 40001240), (4, 20000620), (5, 16000496), (8, 10000310), (10, 8000248), (16, 5000155), (20, 4000124), (40, 2000062), (41, 1951280), (80, 1000031), (82, 975640), (164, 487820), (205, 390256), (328, 243910), (410, 195128), (656, 121955), (820, 97564), (1640, 48782), (3280, 24391)]