40399780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{38113}}^1$

素因数の和:38175

約数の個数: 24

約数和(自身を含む): 86442552

約数和(自身を除く): 46042772

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 38113, 76226, 152452, 190565, 381130, 762260, 2019989, 4039978, 8079956, 10099945, 20199890, 40399780]

約数ペア:

[(1, 40399780), (2, 20199890), (4, 10099945), (5, 8079956), (10, 4039978), (20, 2019989), (53, 762260), (106, 381130), (212, 190565), (265, 152452), (530, 76226), (1060, 38113)]