81319250

素因数分解:

$2^1\times 5^3\times {\mathrm{83}}^1\times {\mathrm{3919}}^1$

素因数の和:4019

約数の個数: 32

約数和(自身を含む): 154103040

約数和(自身を除く): 72783790

約数列:

[1, 2, 5, 10, 25, 50, 83, 125, 166, 250, 415, 830, 2075, 3919, 4150, 7838, 10375, 19595, 20750, 39190, 97975, 195950, 325277, 489875, 650554, 979750, 1626385, 3252770, 8131925, 16263850, 40659625, 81319250]

約数ペア:

[(1, 81319250), (2, 40659625), (5, 16263850), (10, 8131925), (25, 3252770), (50, 1626385), (83, 979750), (125, 650554), (166, 489875), (250, 325277), (415, 195950), (830, 97975), (2075, 39190), (3919, 20750), (4150, 19595), (7838, 10375)]