42137420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3769}}^1$

素因数の和:3834

約数の個数: 48

約数和(自身を含む): 97537440

約数和(自身を除く): 55400020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 3769, 5590, 7538, 11180, 15076, 18845, 37690, 48997, 75380, 97994, 162067, 195988, 244985, 324134, 489970, 648268, 810335, 979940, 1620670, 2106871, 3241340, 4213742, 8427484, 10534355, 21068710, 42137420]

約数ペア:

[(1, 42137420), (2, 21068710), (4, 10534355), (5, 8427484), (10, 4213742), (13, 3241340), (20, 2106871), (26, 1620670), (43, 979940), (52, 810335), (65, 648268), (86, 489970), (130, 324134), (172, 244985), (215, 195988), (260, 162067), (430, 97994), (559, 75380), (860, 48997), (1118, 37690), (2236, 18845), (2795, 15076), (3769, 11180), (5590, 7538)]