66280120

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{9257}}^1$

素因数の和:9447

約数の個数: 32

約数和(自身を含む): 149979600

約数和(自身を除く): 83699480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 7160, 9257, 18514, 37028, 46285, 74056, 92570, 185140, 370280, 1657003, 3314006, 6628012, 8285015, 13256024, 16570030, 33140060, 66280120]

約数ペア:

[(1, 66280120), (2, 33140060), (4, 16570030), (5, 13256024), (8, 8285015), (10, 6628012), (20, 3314006), (40, 1657003), (179, 370280), (358, 185140), (716, 92570), (895, 74056), (1432, 46285), (1790, 37028), (3580, 18514), (7160, 9257)]