12817880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10337}}^1$

素因数の和:10379

約数の個数: 32

約数和(自身を含む): 29773440

約数和(自身を除く): 16955560

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10337, 20674, 41348, 51685, 82696, 103370, 206740, 320447, 413480, 640894, 1281788, 1602235, 2563576, 3204470, 6408940, 12817880]

約数ペア:

[(1, 12817880), (2, 6408940), (4, 3204470), (5, 2563576), (8, 1602235), (10, 1281788), (20, 640894), (31, 413480), (40, 320447), (62, 206740), (124, 103370), (155, 82696), (248, 51685), (310, 41348), (620, 20674), (1240, 10337)]