135878440

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{25931}}^1$

素因数の和:26073

約数の個数: 32

約数和(自身を含む): 308072160

約数和(自身を除く): 172193720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 262, 524, 655, 1048, 1310, 2620, 5240, 25931, 51862, 103724, 129655, 207448, 259310, 518620, 1037240, 3396961, 6793922, 13587844, 16984805, 27175688, 33969610, 67939220, 135878440]

約数ペア:

[(1, 135878440), (2, 67939220), (4, 33969610), (5, 27175688), (8, 16984805), (10, 13587844), (20, 6793922), (40, 3396961), (131, 1037240), (262, 518620), (524, 259310), (655, 207448), (1048, 129655), (1310, 103724), (2620, 51862), (5240, 25931)]