1821289280

素因数分解:

$2^6\times 5^1\times {\mathrm{5691529}}^1$

素因数の和:5691546

約数の個数: 28

約数和(自身を含む): 4336945860

約数和(自身を除く): 2515656580

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 5691529, 11383058, 22766116, 28457645, 45532232, 56915290, 91064464, 113830580, 182128928, 227661160, 364257856, 455322320, 910644640, 1821289280]

約数ペア:

[(1, 1821289280), (2, 910644640), (4, 455322320), (5, 364257856), (8, 227661160), (10, 182128928), (16, 113830580), (20, 91064464), (32, 56915290), (40, 45532232), (64, 28457645), (80, 22766116), (160, 11383058), (320, 5691529)]