80562940

素因数分解:

$2^2\times 5^1\times {\mathrm{307}}^1\times {\mathrm{13121}}^1$

素因数の和:13437

約数の個数: 24

約数和(自身を含む): 169746192

約数和(自身を除く): 89183252

約数列:

[1, 2, 4, 5, 10, 20, 307, 614, 1228, 1535, 3070, 6140, 13121, 26242, 52484, 65605, 131210, 262420, 4028147, 8056294, 16112588, 20140735, 40281470, 80562940]

約数ペア:

[(1, 80562940), (2, 40281470), (4, 20140735), (5, 16112588), (10, 8056294), (20, 4028147), (307, 262420), (614, 131210), (1228, 65605), (1535, 52484), (3070, 26242), (6140, 13121)]