40012985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 53851392

約数和(自身を除く): 13838407

約数列:

[1, 5, 17, 23, 85, 97, 115, 211, 391, 485, 1055, 1649, 1955, 2231, 3587, 4853, 8245, 11155, 17935, 20467, 24265, 37927, 82501, 102335, 189635, 347939, 412505, 470741, 1739695, 2353705, 8002597, 40012985]

約数ペア:

[(1, 40012985), (5, 8002597), (17, 2353705), (23, 1739695), (85, 470741), (97, 412505), (115, 347939), (211, 189635), (391, 102335), (485, 82501), (1055, 37927), (1649, 24265), (1955, 20467), (2231, 17935), (3587, 11155), (4853, 8245)]