42936820

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{181}}^1\times {\mathrm{409}}^1$

素因数の和:628

約数の個数: 48

約数和(自身を含む): 94021200

約数和(自身を除く): 51084380

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 181, 290, 362, 409, 580, 724, 818, 905, 1636, 1810, 2045, 3620, 4090, 5249, 8180, 10498, 11861, 20996, 23722, 26245, 47444, 52490, 59305, 74029, 104980, 118610, 148058, 237220, 296116, 370145, 740290, 1480580, 2146841, 4293682, 8587364, 10734205, 21468410, 42936820]

約数ペア:

[(1, 42936820), (2, 21468410), (4, 10734205), (5, 8587364), (10, 4293682), (20, 2146841), (29, 1480580), (58, 740290), (116, 370145), (145, 296116), (181, 237220), (290, 148058), (362, 118610), (409, 104980), (580, 74029), (724, 59305), (818, 52490), (905, 47444), (1636, 26245), (1810, 23722), (2045, 20996), (3620, 11861), (4090, 10498), (5249, 8180)]