28013680

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6607}}^1$

素因数の和:6673

約数の個数: 40

約数和(自身を含む): 66370752

約数和(自身を除く): 38357072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 6607, 13214, 26428, 33035, 52856, 66070, 105712, 132140, 264280, 350171, 528560, 700342, 1400684, 1750855, 2801368, 3501710, 5602736, 7003420, 14006840, 28013680]

約数ペア:

[(1, 28013680), (2, 14006840), (4, 7003420), (5, 5602736), (8, 3501710), (10, 2801368), (16, 1750855), (20, 1400684), (40, 700342), (53, 528560), (80, 350171), (106, 264280), (212, 132140), (265, 105712), (424, 66070), (530, 52856), (848, 33035), (1060, 26428), (2120, 13214), (4240, 6607)]