9932800

素因数分解:

$2^{12}\times 5^2\times {\mathrm{97}}^1$

素因数の和:131

約数の個数: 78

約数和(自身を含む): 24884258

約数和(自身を除く): 14951458

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 97, 100, 128, 160, 194, 200, 256, 320, 388, 400, 485, 512, 640, 776, 800, 970, 1024, 1280, 1552, 1600, 1940, 2048, 2425, 2560, 3104, 3200, 3880, 4096, 4850, 5120, 6208, 6400, 7760, 9700, 10240, 12416, 12800, 15520, 19400, 20480, 24832, 25600, 31040, 38800, 49664, 51200, 62080, 77600, 99328, 102400, 124160, 155200, 198656, 248320, 310400, 397312, 496640, 620800, 993280, 1241600, 1986560, 2483200, 4966400, 9932800]

約数ペア:

[(1, 9932800), (2, 4966400), (4, 2483200), (5, 1986560), (8, 1241600), (10, 993280), (16, 620800), (20, 496640), (25, 397312), (32, 310400), (40, 248320), (50, 198656), (64, 155200), (80, 124160), (97, 102400), (100, 99328), (128, 77600), (160, 62080), (194, 51200), (200, 49664), (256, 38800), (320, 31040), (388, 25600), (400, 24832), (485, 20480), (512, 19400), (640, 15520), (776, 12800), (800, 12416), (970, 10240), (1024, 9700), (1280, 7760), (1552, 6400), (1600, 6208), (1940, 5120), (2048, 4850), (2425, 4096), (2560, 3880), (3104, 3200)]