26641960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{8431}}^1$

素因数の和:8521

約数の個数: 32

約数和(自身を含む): 60710400

約数和(自身を除く): 34068440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 8431, 16862, 33724, 42155, 67448, 84310, 168620, 337240, 666049, 1332098, 2664196, 3330245, 5328392, 6660490, 13320980, 26641960]

約数ペア:

[(1, 26641960), (2, 13320980), (4, 6660490), (5, 5328392), (8, 3330245), (10, 2664196), (20, 1332098), (40, 666049), (79, 337240), (158, 168620), (316, 84310), (395, 67448), (632, 42155), (790, 33724), (1580, 16862), (3160, 8431)]