12760480

素因数分解:

$2^5\times 5^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 30386664

約数和(自身を除く): 17626184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 173, 346, 461, 692, 865, 922, 1384, 1730, 1844, 2305, 2768, 3460, 3688, 4610, 5536, 6920, 7376, 9220, 13840, 14752, 18440, 27680, 36880, 73760, 79753, 159506, 319012, 398765, 638024, 797530, 1276048, 1595060, 2552096, 3190120, 6380240, 12760480]

約数ペア:

[(1, 12760480), (2, 6380240), (4, 3190120), (5, 2552096), (8, 1595060), (10, 1276048), (16, 797530), (20, 638024), (32, 398765), (40, 319012), (80, 159506), (160, 79753), (173, 73760), (346, 36880), (461, 27680), (692, 18440), (865, 14752), (922, 13840), (1384, 9220), (1730, 7376), (1844, 6920), (2305, 5536), (2768, 4610), (3460, 3688)]