4894720

素因数分解:

$2^{12}\times 5^1\times {\mathrm{239}}^1$

素因数の和:268

約数の個数: 52

約数和(自身を含む): 11795040

約数和(自身を除く): 6900320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 239, 256, 320, 478, 512, 640, 956, 1024, 1195, 1280, 1912, 2048, 2390, 2560, 3824, 4096, 4780, 5120, 7648, 9560, 10240, 15296, 19120, 20480, 30592, 38240, 61184, 76480, 122368, 152960, 244736, 305920, 489472, 611840, 978944, 1223680, 2447360, 4894720]

約数ペア:

[(1, 4894720), (2, 2447360), (4, 1223680), (5, 978944), (8, 611840), (10, 489472), (16, 305920), (20, 244736), (32, 152960), (40, 122368), (64, 76480), (80, 61184), (128, 38240), (160, 30592), (239, 20480), (256, 19120), (320, 15296), (478, 10240), (512, 9560), (640, 7648), (956, 5120), (1024, 4780), (1195, 4096), (1280, 3824), (1912, 2560), (2048, 2390)]