42572800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{1663}}^1$

素因数の和:1693

約数の個数: 66

約数和(自身を含む): 105592448

約数和(自身を除く): 63019648

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, 1024, 1280, 1600, 1663, 2560, 3200, 3326, 5120, 6400, 6652, 8315, 12800, 13304, 16630, 25600, 26608, 33260, 41575, 53216, 66520, 83150, 106432, 133040, 166300, 212864, 266080, 332600, 425728, 532160, 665200, 851456, 1064320, 1330400, 1702912, 2128640, 2660800, 4257280, 5321600, 8514560, 10643200, 21286400, 42572800]

約数ペア:

[(1, 42572800), (2, 21286400), (4, 10643200), (5, 8514560), (8, 5321600), (10, 4257280), (16, 2660800), (20, 2128640), (25, 1702912), (32, 1330400), (40, 1064320), (50, 851456), (64, 665200), (80, 532160), (100, 425728), (128, 332600), (160, 266080), (200, 212864), (256, 166300), (320, 133040), (400, 106432), (512, 83150), (640, 66520), (800, 53216), (1024, 41575), (1280, 33260), (1600, 26608), (1663, 25600), (2560, 16630), (3200, 13304), (3326, 12800), (5120, 8315), (6400, 6652)]