12236800

素因数分解:

$2^{11}\times 5^2\times {\mathrm{239}}^1$

素因数の和:271

約数の個数: 72

約数和(自身を含む): 30466800

約数和(自身を除く): 18230000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 239, 256, 320, 400, 478, 512, 640, 800, 956, 1024, 1195, 1280, 1600, 1912, 2048, 2390, 2560, 3200, 3824, 4780, 5120, 5975, 6400, 7648, 9560, 10240, 11950, 12800, 15296, 19120, 23900, 25600, 30592, 38240, 47800, 51200, 61184, 76480, 95600, 122368, 152960, 191200, 244736, 305920, 382400, 489472, 611840, 764800, 1223680, 1529600, 2447360, 3059200, 6118400, 12236800]

約数ペア:

[(1, 12236800), (2, 6118400), (4, 3059200), (5, 2447360), (8, 1529600), (10, 1223680), (16, 764800), (20, 611840), (25, 489472), (32, 382400), (40, 305920), (50, 244736), (64, 191200), (80, 152960), (100, 122368), (128, 95600), (160, 76480), (200, 61184), (239, 51200), (256, 47800), (320, 38240), (400, 30592), (478, 25600), (512, 23900), (640, 19120), (800, 15296), (956, 12800), (1024, 11950), (1195, 10240), (1280, 9560), (1600, 7648), (1912, 6400), (2048, 5975), (2390, 5120), (2560, 4780), (3200, 3824)]