4921555280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{866471}}^1$

素因数の和:866555

約数の個数: 40

約数和(自身を含む): 11603793024

約数和(自身を除く): 6682237744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 866471, 1732942, 3465884, 4332355, 6931768, 8664710, 13863536, 17329420, 34658840, 61519441, 69317680, 123038882, 246077764, 307597205, 492155528, 615194410, 984311056, 1230388820, 2460777640, 4921555280]

約数ペア:

[(1, 4921555280), (2, 2460777640), (4, 1230388820), (5, 984311056), (8, 615194410), (10, 492155528), (16, 307597205), (20, 246077764), (40, 123038882), (71, 69317680), (80, 61519441), (142, 34658840), (284, 17329420), (355, 13863536), (568, 8664710), (710, 6931768), (1136, 4332355), (1420, 3465884), (2840, 1732942), (5680, 866471)]