4140800

素因数分解:

$2^8\times 5^2\times {\mathrm{647}}^1$

素因数の和:673

約数の個数: 54

約数和(自身を含む): 10264968

約数和(自身を除く): 6124168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 647, 800, 1280, 1294, 1600, 2588, 3200, 3235, 5176, 6400, 6470, 10352, 12940, 16175, 20704, 25880, 32350, 41408, 51760, 64700, 82816, 103520, 129400, 165632, 207040, 258800, 414080, 517600, 828160, 1035200, 2070400, 4140800]

約数ペア:

[(1, 4140800), (2, 2070400), (4, 1035200), (5, 828160), (8, 517600), (10, 414080), (16, 258800), (20, 207040), (25, 165632), (32, 129400), (40, 103520), (50, 82816), (64, 64700), (80, 51760), (100, 41408), (128, 32350), (160, 25880), (200, 20704), (256, 16175), (320, 12940), (400, 10352), (640, 6470), (647, 6400), (800, 5176), (1280, 3235), (1294, 3200), (1600, 2588)]