26679640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51307}}^1$

素因数の和:51331

約数の個数: 32

約数和(自身を含む): 64648080

約数和(自身を除く): 37968440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 51307, 102614, 205228, 256535, 410456, 513070, 666991, 1026140, 1333982, 2052280, 2667964, 3334955, 5335928, 6669910, 13339820, 26679640]

約数ペア:

[(1, 26679640), (2, 13339820), (4, 6669910), (5, 5335928), (8, 3334955), (10, 2667964), (13, 2052280), (20, 1333982), (26, 1026140), (40, 666991), (52, 513070), (65, 410456), (104, 256535), (130, 205228), (260, 102614), (520, 51307)]