68204800

素因数分解:

$2^8\times 5^2\times {\mathrm{10657}}^1$

素因数の和:10683

約数の個数: 54

約数和(自身を含む): 168833378

約数和(自身を除く): 100628578

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, 10657, 21314, 42628, 53285, 85256, 106570, 170512, 213140, 266425, 341024, 426280, 532850, 682048, 852560, 1065700, 1364096, 1705120, 2131400, 2728192, 3410240, 4262800, 6820480, 8525600, 13640960, 17051200, 34102400, 68204800]

約数ペア:

[(1, 68204800), (2, 34102400), (4, 17051200), (5, 13640960), (8, 8525600), (10, 6820480), (16, 4262800), (20, 3410240), (25, 2728192), (32, 2131400), (40, 1705120), (50, 1364096), (64, 1065700), (80, 852560), (100, 682048), (128, 532850), (160, 426280), (200, 341024), (256, 266425), (320, 213140), (400, 170512), (640, 106570), (800, 85256), (1280, 53285), (1600, 42628), (3200, 21314), (6400, 10657)]