20131760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22877}}^1$

素因数の和:22901

約数の個数: 40

約数和(自身を含む): 51063696

約数和(自身を除く): 30931936

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22877, 45754, 91508, 114385, 183016, 228770, 251647, 366032, 457540, 503294, 915080, 1006588, 1258235, 1830160, 2013176, 2516470, 4026352, 5032940, 10065880, 20131760]

約数ペア:

[(1, 20131760), (2, 10065880), (4, 5032940), (5, 4026352), (8, 2516470), (10, 2013176), (11, 1830160), (16, 1258235), (20, 1006588), (22, 915080), (40, 503294), (44, 457540), (55, 366032), (80, 251647), (88, 228770), (110, 183016), (176, 114385), (220, 91508), (440, 45754), (880, 22877)]