2145280

素因数分解:

$2^{10}\times 5^1\times {\mathrm{419}}^1$

素因数の和:444

約数の個数: 44

約数和(自身を含む): 5158440

約数和(自身を除く): 3013160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 419, 512, 640, 838, 1024, 1280, 1676, 2095, 2560, 3352, 4190, 5120, 6704, 8380, 13408, 16760, 26816, 33520, 53632, 67040, 107264, 134080, 214528, 268160, 429056, 536320, 1072640, 2145280]

約数ペア:

[(1, 2145280), (2, 1072640), (4, 536320), (5, 429056), (8, 268160), (10, 214528), (16, 134080), (20, 107264), (32, 67040), (40, 53632), (64, 33520), (80, 26816), (128, 16760), (160, 13408), (256, 8380), (320, 6704), (419, 5120), (512, 4190), (640, 3352), (838, 2560), (1024, 2095), (1280, 1676)]