78867920

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{42863}}^1$

素因数の和:42899

約数の個数: 40

約数和(自身を含む): 191344896

約数和(自身を除く): 112476976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 42863, 85726, 171452, 214315, 342904, 428630, 685808, 857260, 985849, 1714520, 1971698, 3429040, 3943396, 4929245, 7886792, 9858490, 15773584, 19716980, 39433960, 78867920]

約数ペア:

[(1, 78867920), (2, 39433960), (4, 19716980), (5, 15773584), (8, 9858490), (10, 7886792), (16, 4929245), (20, 3943396), (23, 3429040), (40, 1971698), (46, 1714520), (80, 985849), (92, 857260), (115, 685808), (184, 428630), (230, 342904), (368, 214315), (460, 171452), (920, 85726), (1840, 42863)]