87515140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{230303}}^1$

素因数の和:230331

約数の個数: 24

約数和(自身を含む): 193455360

約数和(自身を除く): 105940220

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 230303, 460606, 921212, 1151515, 2303030, 4375757, 4606060, 8751514, 17503028, 21878785, 43757570, 87515140]

約数ペア:

[(1, 87515140), (2, 43757570), (4, 21878785), (5, 17503028), (10, 8751514), (19, 4606060), (20, 4375757), (38, 2303030), (76, 1151515), (95, 921212), (190, 460606), (380, 230303)]