12380000

素因数分解:

$2^5\times 5^4\times {\mathrm{619}}^1$

素因数の和:649

約数の個数: 60

約数和(自身を含む): 30505860

約数和(自身を除く): 18125860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 619, 625, 800, 1000, 1238, 1250, 2000, 2476, 2500, 3095, 4000, 4952, 5000, 6190, 9904, 10000, 12380, 15475, 19808, 20000, 24760, 30950, 49520, 61900, 77375, 99040, 123800, 154750, 247600, 309500, 386875, 495200, 619000, 773750, 1238000, 1547500, 2476000, 3095000, 6190000, 12380000]

約数ペア:

[(1, 12380000), (2, 6190000), (4, 3095000), (5, 2476000), (8, 1547500), (10, 1238000), (16, 773750), (20, 619000), (25, 495200), (32, 386875), (40, 309500), (50, 247600), (80, 154750), (100, 123800), (125, 99040), (160, 77375), (200, 61900), (250, 49520), (400, 30950), (500, 24760), (619, 20000), (625, 19808), (800, 15475), (1000, 12380), (1238, 10000), (1250, 9904), (2000, 6190), (2476, 5000), (2500, 4952), (3095, 4000)]