31040000

素因数分解:

$2^9\times 5^4\times {\mathrm{97}}^1$

素因数の和:135

約数の個数: 100

約数和(自身を含む): 78298374

約数和(自身を除く): 47258374

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, 256, 320, 388, 400, 485, 500, 512, 625, 640, 776, 800, 970, 1000, 1250, 1280, 1552, 1600, 1940, 2000, 2425, 2500, 2560, 3104, 3200, 3880, 4000, 4850, 5000, 6208, 6400, 7760, 8000, 9700, 10000, 12125, 12416, 12800, 15520, 16000, 19400, 20000, 24250, 24832, 31040, 32000, 38800, 40000, 48500, 49664, 60625, 62080, 64000, 77600, 80000, 97000, 121250, 124160, 155200, 160000, 194000, 242500, 248320, 310400, 320000, 388000, 485000, 620800, 776000, 970000, 1241600, 1552000, 1940000, 3104000, 3880000, 6208000, 7760000, 15520000, 31040000]

約数ペア:

[(1, 31040000), (2, 15520000), (4, 7760000), (5, 6208000), (8, 3880000), (10, 3104000), (16, 1940000), (20, 1552000), (25, 1241600), (32, 970000), (40, 776000), (50, 620800), (64, 485000), (80, 388000), (97, 320000), (100, 310400), (125, 248320), (128, 242500), (160, 194000), (194, 160000), (200, 155200), (250, 124160), (256, 121250), (320, 97000), (388, 80000), (400, 77600), (485, 64000), (500, 62080), (512, 60625), (625, 49664), (640, 48500), (776, 40000), (800, 38800), (970, 32000), (1000, 31040), (1250, 24832), (1280, 24250), (1552, 20000), (1600, 19400), (1940, 16000), (2000, 15520), (2425, 12800), (2500, 12416), (2560, 12125), (3104, 10000), (3200, 9700), (3880, 8000), (4000, 7760), (4850, 6400), (5000, 6208)]