28518400

素因数分解:

$2^{11}\times 5^2\times {\mathrm{557}}^1$

素因数の和:589

約数の個数: 72

約数和(自身を含む): 70835310

約数和(自身を除く): 42316910

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 557, 640, 800, 1024, 1114, 1280, 1600, 2048, 2228, 2560, 2785, 3200, 4456, 5120, 5570, 6400, 8912, 10240, 11140, 12800, 13925, 17824, 22280, 25600, 27850, 35648, 44560, 51200, 55700, 71296, 89120, 111400, 142592, 178240, 222800, 285184, 356480, 445600, 570368, 712960, 891200, 1140736, 1425920, 1782400, 2851840, 3564800, 5703680, 7129600, 14259200, 28518400]

約数ペア:

[(1, 28518400), (2, 14259200), (4, 7129600), (5, 5703680), (8, 3564800), (10, 2851840), (16, 1782400), (20, 1425920), (25, 1140736), (32, 891200), (40, 712960), (50, 570368), (64, 445600), (80, 356480), (100, 285184), (128, 222800), (160, 178240), (200, 142592), (256, 111400), (320, 89120), (400, 71296), (512, 55700), (557, 51200), (640, 44560), (800, 35648), (1024, 27850), (1114, 25600), (1280, 22280), (1600, 17824), (2048, 13925), (2228, 12800), (2560, 11140), (2785, 10240), (3200, 8912), (4456, 6400), (5120, 5570)]