12878800

素因数分解:

$2^4\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2927}}^1$

素因数の和:2956

約数の個数: 60

約数和(自身を含む): 33765696

約数和(自身を除く): 20886896

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 176, 200, 220, 275, 400, 440, 550, 880, 1100, 2200, 2927, 4400, 5854, 11708, 14635, 23416, 29270, 32197, 46832, 58540, 64394, 73175, 117080, 128788, 146350, 160985, 234160, 257576, 292700, 321970, 515152, 585400, 643940, 804925, 1170800, 1287880, 1609850, 2575760, 3219700, 6439400, 12878800]

約数ペア:

[(1, 12878800), (2, 6439400), (4, 3219700), (5, 2575760), (8, 1609850), (10, 1287880), (11, 1170800), (16, 804925), (20, 643940), (22, 585400), (25, 515152), (40, 321970), (44, 292700), (50, 257576), (55, 234160), (80, 160985), (88, 146350), (100, 128788), (110, 117080), (176, 73175), (200, 64394), (220, 58540), (275, 46832), (400, 32197), (440, 29270), (550, 23416), (880, 14635), (1100, 11708), (2200, 5854), (2927, 4400)]