80750380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{212501}}^1$

素因数の和:212529

約数の個数: 24

約数和(自身を含む): 178501680

約数和(自身を除く): 97751300

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 212501, 425002, 850004, 1062505, 2125010, 4037519, 4250020, 8075038, 16150076, 20187595, 40375190, 80750380]

約数ペア:

[(1, 80750380), (2, 40375190), (4, 20187595), (5, 16150076), (10, 8075038), (19, 4250020), (20, 4037519), (38, 2125010), (76, 1062505), (95, 850004), (190, 425002), (380, 212501)]