1086440

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{173}}^1$

素因数の和:341

約数の個数: 32

約数和(自身を含む): 2474280

約数和(自身を除く): 1387840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 173, 314, 346, 628, 692, 785, 865, 1256, 1384, 1570, 1730, 3140, 3460, 6280, 6920, 27161, 54322, 108644, 135805, 217288, 271610, 543220, 1086440]

約数ペア:

[(1, 1086440), (2, 543220), (4, 271610), (5, 217288), (8, 135805), (10, 108644), (20, 54322), (40, 27161), (157, 6920), (173, 6280), (314, 3460), (346, 3140), (628, 1730), (692, 1570), (785, 1384), (865, 1256)]