86739280

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15271}}^1$

素因数の和:15355

約数の個数: 40

約数和(自身を含む): 204522624

約数和(自身を除く): 117783344

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 15271, 30542, 61084, 76355, 122168, 152710, 244336, 305420, 610840, 1084241, 1221680, 2168482, 4336964, 5421205, 8673928, 10842410, 17347856, 21684820, 43369640, 86739280]

約数ペア:

[(1, 86739280), (2, 43369640), (4, 21684820), (5, 17347856), (8, 10842410), (10, 8673928), (16, 5421205), (20, 4336964), (40, 2168482), (71, 1221680), (80, 1084241), (142, 610840), (284, 305420), (355, 244336), (568, 152710), (710, 122168), (1136, 76355), (1420, 61084), (2840, 30542), (5680, 15271)]