55558480

素因数分解:

$2^4\times 5^1\times {\mathrm{694481}}^1$

素因数の和:694494

約数の個数: 20

約数和(自身を含む): 129173652

約数和(自身を除く): 73615172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 694481, 1388962, 2777924, 3472405, 5555848, 6944810, 11111696, 13889620, 27779240, 55558480]

約数ペア:

[(1, 55558480), (2, 27779240), (4, 13889620), (5, 11111696), (8, 6944810), (10, 5555848), (16, 3472405), (20, 2777924), (40, 1388962), (80, 694481)]