6402460

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2039}}^1$

素因数の和:2205

約数の個数: 24

約数和(自身を含む): 13537440

約数和(自身を除く): 7134980

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 2039, 3140, 4078, 8156, 10195, 20390, 40780, 320123, 640246, 1280492, 1600615, 3201230, 6402460]

約数ペア:

[(1, 6402460), (2, 3201230), (4, 1600615), (5, 1280492), (10, 640246), (20, 320123), (157, 40780), (314, 20390), (628, 10195), (785, 8156), (1570, 4078), (2039, 3140)]