8192660

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{421}}^1$

素因数の和:576

約数の個数: 48

約数和(自身を含む): 19850880

約数和(自身を除く): 11658220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 421, 556, 695, 842, 973, 1390, 1684, 1946, 2105, 2780, 2947, 3892, 4210, 4865, 5894, 8420, 9730, 11788, 14735, 19460, 29470, 58519, 58940, 117038, 234076, 292595, 409633, 585190, 819266, 1170380, 1638532, 2048165, 4096330, 8192660]

約数ペア:

[(1, 8192660), (2, 4096330), (4, 2048165), (5, 1638532), (7, 1170380), (10, 819266), (14, 585190), (20, 409633), (28, 292595), (35, 234076), (70, 117038), (139, 58940), (140, 58519), (278, 29470), (421, 19460), (556, 14735), (695, 11788), (842, 9730), (973, 8420), (1390, 5894), (1684, 4865), (1946, 4210), (2105, 3892), (2780, 2947)]