169469680

素因数分解:

$2^4\times 5^1\times {\mathrm{2118371}}^1$

素因数の和:2118384

約数の個数: 20

約数和(自身を含む): 394017192

約数和(自身を除く): 224547512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2118371, 4236742, 8473484, 10591855, 16946968, 21183710, 33893936, 42367420, 84734840, 169469680]

約数ペア:

[(1, 169469680), (2, 84734840), (4, 42367420), (5, 33893936), (8, 21183710), (10, 16946968), (16, 10591855), (20, 8473484), (40, 4236742), (80, 2118371)]