12996800

素因数分解:

$2^6\times 5^2\times {\mathrm{8123}}^1$

素因数の和:8145

約数の個数: 42

約数和(自身を含む): 31984188

約数和(自身を除く): 18987388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 8123, 16246, 32492, 40615, 64984, 81230, 129968, 162460, 203075, 259936, 324920, 406150, 519872, 649840, 812300, 1299680, 1624600, 2599360, 3249200, 6498400, 12996800]

約数ペア:

[(1, 12996800), (2, 6498400), (4, 3249200), (5, 2599360), (8, 1624600), (10, 1299680), (16, 812300), (20, 649840), (25, 519872), (32, 406150), (40, 324920), (50, 259936), (64, 203075), (80, 162460), (100, 129968), (160, 81230), (200, 64984), (320, 40615), (400, 32492), (800, 16246), (1600, 8123)]