15665920

素因数分解:

$2^8\times 5^1\times {\mathrm{12239}}^1$

素因数の和:12260

約数の個数: 36

約数和(自身を含む): 37527840

約数和(自身を除く): 21861920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 12239, 24478, 48956, 61195, 97912, 122390, 195824, 244780, 391648, 489560, 783296, 979120, 1566592, 1958240, 3133184, 3916480, 7832960, 15665920]

約数ペア:

[(1, 15665920), (2, 7832960), (4, 3916480), (5, 3133184), (8, 1958240), (10, 1566592), (16, 979120), (20, 783296), (32, 489560), (40, 391648), (64, 244780), (80, 195824), (128, 122390), (160, 97912), (256, 61195), (320, 48956), (640, 24478), (1280, 12239)]