38788000

素因数分解:

$2^5\times 5^3\times {\mathrm{9697}}^1$

素因数の和:9722

約数の個数: 48

約数和(自身を含む): 95311944

約数和(自身を除く): 56523944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 9697, 19394, 38788, 48485, 77576, 96970, 155152, 193940, 242425, 310304, 387880, 484850, 775760, 969700, 1212125, 1551520, 1939400, 2424250, 3878800, 4848500, 7757600, 9697000, 19394000, 38788000]

約数ペア:

[(1, 38788000), (2, 19394000), (4, 9697000), (5, 7757600), (8, 4848500), (10, 3878800), (16, 2424250), (20, 1939400), (25, 1551520), (32, 1212125), (40, 969700), (50, 775760), (80, 484850), (100, 387880), (125, 310304), (160, 242425), (200, 193940), (250, 155152), (400, 96970), (500, 77576), (800, 48485), (1000, 38788), (2000, 19394), (4000, 9697)]