19295200

素因数分解:

$2^5\times 5^2\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:380

約数の個数: 72

約数和(自身を含む): 47809440

約数和(自身を除く): 28514240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 89, 100, 160, 178, 200, 271, 356, 400, 445, 542, 712, 800, 890, 1084, 1355, 1424, 1780, 2168, 2225, 2710, 2848, 3560, 4336, 4450, 5420, 6775, 7120, 8672, 8900, 10840, 13550, 14240, 17800, 21680, 24119, 27100, 35600, 43360, 48238, 54200, 71200, 96476, 108400, 120595, 192952, 216800, 241190, 385904, 482380, 602975, 771808, 964760, 1205950, 1929520, 2411900, 3859040, 4823800, 9647600, 19295200]

約数ペア:

[(1, 19295200), (2, 9647600), (4, 4823800), (5, 3859040), (8, 2411900), (10, 1929520), (16, 1205950), (20, 964760), (25, 771808), (32, 602975), (40, 482380), (50, 385904), (80, 241190), (89, 216800), (100, 192952), (160, 120595), (178, 108400), (200, 96476), (271, 71200), (356, 54200), (400, 48238), (445, 43360), (542, 35600), (712, 27100), (800, 24119), (890, 21680), (1084, 17800), (1355, 14240), (1424, 13550), (1780, 10840), (2168, 8900), (2225, 8672), (2710, 7120), (2848, 6775), (3560, 5420), (4336, 4450)]