13571720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{7219}}^1$

素因数の和:7277

約数の個数: 32

約数和(自身を含む): 31190400

約数和(自身を除く): 17618680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 7219, 14438, 28876, 36095, 57752, 72190, 144380, 288760, 339293, 678586, 1357172, 1696465, 2714344, 3392930, 6785860, 13571720]

約数ペア:

[(1, 13571720), (2, 6785860), (4, 3392930), (5, 2714344), (8, 1696465), (10, 1357172), (20, 678586), (40, 339293), (47, 288760), (94, 144380), (188, 72190), (235, 57752), (376, 36095), (470, 28876), (940, 14438), (1880, 7219)]