12731080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10267}}^1$

素因数の和:10309

約数の個数: 32

約数和(自身を含む): 29571840

約数和(自身を除く): 16840760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 10267, 20534, 41068, 51335, 82136, 102670, 205340, 318277, 410680, 636554, 1273108, 1591385, 2546216, 3182770, 6365540, 12731080]

約数ペア:

[(1, 12731080), (2, 6365540), (4, 3182770), (5, 2546216), (8, 1591385), (10, 1273108), (20, 636554), (31, 410680), (40, 318277), (62, 205340), (124, 102670), (155, 82136), (248, 51335), (310, 41068), (620, 20534), (1240, 10267)]