13409920

素因数分解:

$2^7\times 5^1\times {\mathrm{23}}^1\times {\mathrm{911}}^1$

素因数の和:953

約数の個数: 64

約数和(自身を含む): 33488640

約数和(自身を除く): 20078720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 64, 80, 92, 115, 128, 160, 184, 230, 320, 368, 460, 640, 736, 911, 920, 1472, 1822, 1840, 2944, 3644, 3680, 4555, 7288, 7360, 9110, 14576, 14720, 18220, 20953, 29152, 36440, 41906, 58304, 72880, 83812, 104765, 116608, 145760, 167624, 209530, 291520, 335248, 419060, 583040, 670496, 838120, 1340992, 1676240, 2681984, 3352480, 6704960, 13409920]

約数ペア:

[(1, 13409920), (2, 6704960), (4, 3352480), (5, 2681984), (8, 1676240), (10, 1340992), (16, 838120), (20, 670496), (23, 583040), (32, 419060), (40, 335248), (46, 291520), (64, 209530), (80, 167624), (92, 145760), (115, 116608), (128, 104765), (160, 83812), (184, 72880), (230, 58304), (320, 41906), (368, 36440), (460, 29152), (640, 20953), (736, 18220), (911, 14720), (920, 14576), (1472, 9110), (1822, 7360), (1840, 7288), (2944, 4555), (3644, 3680)]