26078440

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21031}}^1$

素因数の和:21073

約数の個数: 32

約数和(自身を含む): 60572160

約数和(自身を除く): 34493720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 21031, 42062, 84124, 105155, 168248, 210310, 420620, 651961, 841240, 1303922, 2607844, 3259805, 5215688, 6519610, 13039220, 26078440]

約数ペア:

[(1, 26078440), (2, 13039220), (4, 6519610), (5, 5215688), (8, 3259805), (10, 2607844), (20, 1303922), (31, 841240), (40, 651961), (62, 420620), (124, 210310), (155, 168248), (248, 105155), (310, 84124), (620, 42062), (1240, 21031)]