91440760

素因数分解:

$2^3\times 5^1\times {\mathrm{1021}}^1\times {\mathrm{2239}}^1$

素因数の和:3271

約数の個数: 32

約数和(自身を含む): 206035200

約数和(自身を除く): 114594440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1021, 2042, 2239, 4084, 4478, 5105, 8168, 8956, 10210, 11195, 17912, 20420, 22390, 40840, 44780, 89560, 2286019, 4572038, 9144076, 11430095, 18288152, 22860190, 45720380, 91440760]

約数ペア:

[(1, 91440760), (2, 45720380), (4, 22860190), (5, 18288152), (8, 11430095), (10, 9144076), (20, 4572038), (40, 2286019), (1021, 89560), (2042, 44780), (2239, 40840), (4084, 22390), (4478, 20420), (5105, 17912), (8168, 11195), (8956, 10210)]