15404120

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{4327}}^1$

素因数の和:4427

約数の個数: 32

約数和(自身を含む): 35056800

約数和(自身を除く): 19652680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 4327, 8654, 17308, 21635, 34616, 43270, 86540, 173080, 385103, 770206, 1540412, 1925515, 3080824, 3851030, 7702060, 15404120]

約数ペア:

[(1, 15404120), (2, 7702060), (4, 3851030), (5, 3080824), (8, 1925515), (10, 1540412), (20, 770206), (40, 385103), (89, 173080), (178, 86540), (356, 43270), (445, 34616), (712, 21635), (890, 17308), (1780, 8654), (3560, 4327)]