64081480

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{23911}}^1$

素因数の和:23989

約数の個数: 32

約数和(自身を含む): 146341440

約数和(自身を除く): 82259960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 23911, 47822, 95644, 119555, 191288, 239110, 478220, 956440, 1602037, 3204074, 6408148, 8010185, 12816296, 16020370, 32040740, 64081480]

約数ペア:

[(1, 64081480), (2, 32040740), (4, 16020370), (5, 12816296), (8, 8010185), (10, 6408148), (20, 3204074), (40, 1602037), (67, 956440), (134, 478220), (268, 239110), (335, 191288), (536, 119555), (670, 95644), (1340, 47822), (2680, 23911)]