78405160

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{85223}}^1$

素因数の和:85257

約数の個数: 32

約数和(自身を含む): 184083840

約数和(自身を除く): 105678680

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 85223, 170446, 340892, 426115, 681784, 852230, 1704460, 1960129, 3408920, 3920258, 7840516, 9800645, 15681032, 19601290, 39202580, 78405160]

約数ペア:

[(1, 78405160), (2, 39202580), (4, 19601290), (5, 15681032), (8, 9800645), (10, 7840516), (20, 3920258), (23, 3408920), (40, 1960129), (46, 1704460), (92, 852230), (115, 681784), (184, 426115), (230, 340892), (460, 170446), (920, 85223)]