85740800

素因数分解:

$2^8\times 5^2\times {\mathrm{13397}}^1$

素因数の和:13423

約数の個数: 54

約数和(自身を含む): 212237718

約数和(自身を除く): 126496918

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, 800, 1280, 1600, 3200, 6400, 13397, 26794, 53588, 66985, 107176, 133970, 214352, 267940, 334925, 428704, 535880, 669850, 857408, 1071760, 1339700, 1714816, 2143520, 2679400, 3429632, 4287040, 5358800, 8574080, 10717600, 17148160, 21435200, 42870400, 85740800]

約数ペア:

[(1, 85740800), (2, 42870400), (4, 21435200), (5, 17148160), (8, 10717600), (10, 8574080), (16, 5358800), (20, 4287040), (25, 3429632), (32, 2679400), (40, 2143520), (50, 1714816), (64, 1339700), (80, 1071760), (100, 857408), (128, 669850), (160, 535880), (200, 428704), (256, 334925), (320, 267940), (400, 214352), (640, 133970), (800, 107176), (1280, 66985), (1600, 53588), (3200, 26794), (6400, 13397)]