31030400

素因数分解:

$2^7\times 5^2\times {\mathrm{9697}}^1$

素因数の和:9721

約数の個数: 48

約数和(自身を含む): 76662690

約数和(自身を除く): 45632290

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 320, 400, 640, 800, 1600, 3200, 9697, 19394, 38788, 48485, 77576, 96970, 155152, 193940, 242425, 310304, 387880, 484850, 620608, 775760, 969700, 1241216, 1551520, 1939400, 3103040, 3878800, 6206080, 7757600, 15515200, 31030400]

約数ペア:

[(1, 31030400), (2, 15515200), (4, 7757600), (5, 6206080), (8, 3878800), (10, 3103040), (16, 1939400), (20, 1551520), (25, 1241216), (32, 969700), (40, 775760), (50, 620608), (64, 484850), (80, 387880), (100, 310304), (128, 242425), (160, 193940), (200, 155152), (320, 96970), (400, 77576), (640, 48485), (800, 38788), (1600, 19394), (3200, 9697)]