38800000

素因数分解:

$2^7\times 5^5\times {\mathrm{97}}^1$

素因数の和:136

約数の個数: 96

約数和(自身を含む): 97610940

約数和(自身を除く): 58810940

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 125, 128, 160, 194, 200, 250, 320, 388, 400, 485, 500, 625, 640, 776, 800, 970, 1000, 1250, 1552, 1600, 1940, 2000, 2425, 2500, 3104, 3125, 3200, 3880, 4000, 4850, 5000, 6208, 6250, 7760, 8000, 9700, 10000, 12125, 12416, 12500, 15520, 16000, 19400, 20000, 24250, 25000, 31040, 38800, 40000, 48500, 50000, 60625, 62080, 77600, 80000, 97000, 100000, 121250, 155200, 194000, 200000, 242500, 303125, 310400, 388000, 400000, 485000, 606250, 776000, 970000, 1212500, 1552000, 1940000, 2425000, 3880000, 4850000, 7760000, 9700000, 19400000, 38800000]

約数ペア:

[(1, 38800000), (2, 19400000), (4, 9700000), (5, 7760000), (8, 4850000), (10, 3880000), (16, 2425000), (20, 1940000), (25, 1552000), (32, 1212500), (40, 970000), (50, 776000), (64, 606250), (80, 485000), (97, 400000), (100, 388000), (125, 310400), (128, 303125), (160, 242500), (194, 200000), (200, 194000), (250, 155200), (320, 121250), (388, 100000), (400, 97000), (485, 80000), (500, 77600), (625, 62080), (640, 60625), (776, 50000), (800, 48500), (970, 40000), (1000, 38800), (1250, 31040), (1552, 25000), (1600, 24250), (1940, 20000), (2000, 19400), (2425, 16000), (2500, 15520), (3104, 12500), (3125, 12416), (3200, 12125), (3880, 10000), (4000, 9700), (4850, 8000), (5000, 7760), (6208, 6250)]