91161520

素因数分解:

$2^4\times 5^1\times {\mathrm{1139519}}^1$

素因数の和:1139532

約数の個数: 20

約数和(自身を含む): 211950720

約数和(自身を除く): 120789200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1139519, 2279038, 4558076, 5697595, 9116152, 11395190, 18232304, 22790380, 45580760, 91161520]

約数ペア:

[(1, 91161520), (2, 45580760), (4, 22790380), (5, 18232304), (8, 11395190), (10, 9116152), (16, 5697595), (20, 4558076), (40, 2279038), (80, 1139519)]