496640000

素因数分解:

$2^{13}\times 5^4\times {\mathrm{97}}^1$

素因数の和:143

約数の個数: 140

約数和(自身を含む): 1253922054

約数和(自身を除く): 757282054

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, 1024, 1250, 1280, 1552, 1600, 1940, 2000, 2048, 2425, 2500, 2560, 3104, 3200, 3880, 4000, 4096, 4850, 5000, 5120, 6208, 6400, 7760, 8000, 8192, 9700, 10000, 10240, 12125, 12416, 12800, 15520, 16000, 19400, 20000, 20480, 24250, 24832, 25600, 31040, 32000, 38800, 40000, 40960, 48500, 49664, 51200, 60625, 62080, 64000, 77600, 80000, 97000, 99328, 102400, 121250, 124160, 128000, 155200, 160000, 194000, 198656, 204800, 242500, 248320, 256000, 310400, 320000, 388000, 397312, 485000, 496640, 512000, 620800, 640000, 776000, 794624, 970000, 993280, 1024000, 1241600, 1280000, 1552000, 1940000, 1986560, 2483200, 2560000, 3104000, 3880000, 3973120, 4966400, 5120000, 6208000, 7760000, 9932800, 12416000, 15520000, 19865600, 24832000, 31040000, 49664000, 62080000, 99328000, 124160000, 248320000, 496640000]

約数ペア:

[(1, 496640000), (2, 248320000), (4, 124160000), (5, 99328000), (8, 62080000), (10, 49664000), (16, 31040000), (20, 24832000), (25, 19865600), (32, 15520000), (40, 12416000), (50, 9932800), (64, 7760000), (80, 6208000), (97, 5120000), (100, 4966400), (125, 3973120), (128, 3880000), (160, 3104000), (194, 2560000), (200, 2483200), (250, 1986560), (256, 1940000), (320, 1552000), (388, 1280000), (400, 1241600), (485, 1024000), (500, 993280), (512, 970000), (625, 794624), (640, 776000), (776, 640000), (800, 620800), (970, 512000), (1000, 496640), (1024, 485000), (1250, 397312), (1280, 388000), (1552, 320000), (1600, 310400), (1940, 256000), (2000, 248320), (2048, 242500), (2425, 204800), (2500, 198656), (2560, 194000), (3104, 160000), (3200, 155200), (3880, 128000), (4000, 124160), (4096, 121250), (4850, 102400), (5000, 99328), (5120, 97000), (6208, 80000), (6400, 77600), (7760, 64000), (8000, 62080), (8192, 60625), (9700, 51200), (10000, 49664), (10240, 48500), (12125, 40960), (12416, 40000), (12800, 38800), (15520, 32000), (16000, 31040), (19400, 25600), (20000, 24832), (20480, 24250)]