80365960

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{2389}}^1$

素因数の和:2458

約数の個数: 48

約数和(自身を含む): 187352100

約数和(自身を除く): 106986140

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 841, 1160, 1682, 2389, 3364, 4205, 4778, 6728, 8410, 9556, 11945, 16820, 19112, 23890, 33640, 47780, 69281, 95560, 138562, 277124, 346405, 554248, 692810, 1385620, 2009149, 2771240, 4018298, 8036596, 10045745, 16073192, 20091490, 40182980, 80365960]

約数ペア:

[(1, 80365960), (2, 40182980), (4, 20091490), (5, 16073192), (8, 10045745), (10, 8036596), (20, 4018298), (29, 2771240), (40, 2009149), (58, 1385620), (116, 692810), (145, 554248), (232, 346405), (290, 277124), (580, 138562), (841, 95560), (1160, 69281), (1682, 47780), (2389, 33640), (3364, 23890), (4205, 19112), (4778, 16820), (6728, 11945), (8410, 9556)]