49040000

素因数分解:

$2^7\times 5^4\times {\mathrm{613}}^1$

素因数の和:647

約数の個数: 80

約数和(自身を含む): 122281170

約数和(自身を除く): 73241170

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 613, 625, 640, 800, 1000, 1226, 1250, 1600, 2000, 2452, 2500, 3065, 3200, 4000, 4904, 5000, 6130, 8000, 9808, 10000, 12260, 15325, 16000, 19616, 20000, 24520, 30650, 39232, 40000, 49040, 61300, 76625, 78464, 80000, 98080, 122600, 153250, 196160, 245200, 306500, 383125, 392320, 490400, 613000, 766250, 980800, 1226000, 1532500, 1961600, 2452000, 3065000, 4904000, 6130000, 9808000, 12260000, 24520000, 49040000]

約数ペア:

[(1, 49040000), (2, 24520000), (4, 12260000), (5, 9808000), (8, 6130000), (10, 4904000), (16, 3065000), (20, 2452000), (25, 1961600), (32, 1532500), (40, 1226000), (50, 980800), (64, 766250), (80, 613000), (100, 490400), (125, 392320), (128, 383125), (160, 306500), (200, 245200), (250, 196160), (320, 153250), (400, 122600), (500, 98080), (613, 80000), (625, 78464), (640, 76625), (800, 61300), (1000, 49040), (1226, 40000), (1250, 39232), (1600, 30650), (2000, 24520), (2452, 20000), (2500, 19616), (3065, 16000), (3200, 15325), (4000, 12260), (4904, 10000), (5000, 9808), (6130, 8000)]