51852800

素因数分解:

$2^9\times 5^2\times {\mathrm{4051}}^1$

素因数の和:4079

約数の個数: 60

約数和(自身を含む): 128501076

約数和(自身を除く): 76648276

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, 640, 800, 1280, 1600, 2560, 3200, 4051, 6400, 8102, 12800, 16204, 20255, 32408, 40510, 64816, 81020, 101275, 129632, 162040, 202550, 259264, 324080, 405100, 518528, 648160, 810200, 1037056, 1296320, 1620400, 2074112, 2592640, 3240800, 5185280, 6481600, 10370560, 12963200, 25926400, 51852800]

約数ペア:

[(1, 51852800), (2, 25926400), (4, 12963200), (5, 10370560), (8, 6481600), (10, 5185280), (16, 3240800), (20, 2592640), (25, 2074112), (32, 1620400), (40, 1296320), (50, 1037056), (64, 810200), (80, 648160), (100, 518528), (128, 405100), (160, 324080), (200, 259264), (256, 202550), (320, 162040), (400, 129632), (512, 101275), (640, 81020), (800, 64816), (1280, 40510), (1600, 32408), (2560, 20255), (3200, 16204), (4051, 12800), (6400, 8102)]