87393520

素因数分解:

$2^4\times 5^1\times {\mathrm{1092419}}^1$

素因数の和:1092432

約数の個数: 20

約数和(自身を含む): 203190120

約数和(自身を除く): 115796600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1092419, 2184838, 4369676, 5462095, 8739352, 10924190, 17478704, 21848380, 43696760, 87393520]

約数ペア:

[(1, 87393520), (2, 43696760), (4, 21848380), (5, 17478704), (8, 10924190), (10, 8739352), (16, 5462095), (20, 4369676), (40, 2184838), (80, 1092419)]