40781368

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{569}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 83995200

約数和(自身を除く): 43213832

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 289, 527, 569, 578, 1054, 1138, 1156, 2108, 2276, 2312, 4216, 4552, 8959, 9673, 17639, 17918, 19346, 35278, 35836, 38692, 70556, 71672, 77384, 141112, 164441, 299863, 328882, 599726, 657764, 1199452, 1315528, 2398904, 5097671, 10195342, 20390684, 40781368]

約数ペア:

[(1, 40781368), (2, 20390684), (4, 10195342), (8, 5097671), (17, 2398904), (31, 1315528), (34, 1199452), (62, 657764), (68, 599726), (124, 328882), (136, 299863), (248, 164441), (289, 141112), (527, 77384), (569, 71672), (578, 70556), (1054, 38692), (1138, 35836), (1156, 35278), (2108, 19346), (2276, 17918), (2312, 17639), (4216, 9673), (4552, 8959)]