28318400

素因数分解:

$2^6\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1609}}^1$

素因数の和:1642

約数の個数: 84

約数和(自身を含む): 76062840

約数和(自身を除く): 47744440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 64, 80, 88, 100, 110, 160, 176, 200, 220, 275, 320, 352, 400, 440, 550, 704, 800, 880, 1100, 1600, 1609, 1760, 2200, 3218, 3520, 4400, 6436, 8045, 8800, 12872, 16090, 17600, 17699, 25744, 32180, 35398, 40225, 51488, 64360, 70796, 80450, 88495, 102976, 128720, 141592, 160900, 176990, 257440, 283184, 321800, 353980, 442475, 514880, 566368, 643600, 707960, 884950, 1132736, 1287200, 1415920, 1769900, 2574400, 2831840, 3539800, 5663680, 7079600, 14159200, 28318400]

約数ペア:

[(1, 28318400), (2, 14159200), (4, 7079600), (5, 5663680), (8, 3539800), (10, 2831840), (11, 2574400), (16, 1769900), (20, 1415920), (22, 1287200), (25, 1132736), (32, 884950), (40, 707960), (44, 643600), (50, 566368), (55, 514880), (64, 442475), (80, 353980), (88, 321800), (100, 283184), (110, 257440), (160, 176990), (176, 160900), (200, 141592), (220, 128720), (275, 102976), (320, 88495), (352, 80450), (400, 70796), (440, 64360), (550, 51488), (704, 40225), (800, 35398), (880, 32180), (1100, 25744), (1600, 17699), (1609, 17600), (1760, 16090), (2200, 12872), (3218, 8800), (3520, 8045), (4400, 6436)]