9902080

素因数分解:

$2^{11}\times 5^1\times {\mathrm{967}}^1$

素因数の和:994

約数の個数: 48

約数和(自身を含む): 23783760

約数和(自身を除く): 13881680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 967, 1024, 1280, 1934, 2048, 2560, 3868, 4835, 5120, 7736, 9670, 10240, 15472, 19340, 30944, 38680, 61888, 77360, 123776, 154720, 247552, 309440, 495104, 618880, 990208, 1237760, 1980416, 2475520, 4951040, 9902080]

約数ペア:

[(1, 9902080), (2, 4951040), (4, 2475520), (5, 1980416), (8, 1237760), (10, 990208), (16, 618880), (20, 495104), (32, 309440), (40, 247552), (64, 154720), (80, 123776), (128, 77360), (160, 61888), (256, 38680), (320, 30944), (512, 19340), (640, 15472), (967, 10240), (1024, 9670), (1280, 7736), (1934, 5120), (2048, 4835), (2560, 3868)]