99255280

素因数分解:

$2^4\times 5^1\times {\mathrm{1240691}}^1$

素因数の和:1240704

約数の個数: 20

約数和(自身を含む): 230768712

約数和(自身を除く): 131513432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1240691, 2481382, 4962764, 6203455, 9925528, 12406910, 19851056, 24813820, 49627640, 99255280]

約数ペア:

[(1, 99255280), (2, 49627640), (4, 24813820), (5, 19851056), (8, 12406910), (10, 9925528), (16, 6203455), (20, 4962764), (40, 2481382), (80, 1240691)]