123045920

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{18757}}^1$

素因数の和:18813

約数の個数: 48

約数和(自身を含む): 297802008

約数和(自身を除く): 174756088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 18757, 37514, 75028, 93785, 150056, 187570, 300112, 375140, 600224, 750280, 769037, 1500560, 1538074, 3001120, 3076148, 3845185, 6152296, 7690370, 12304592, 15380740, 24609184, 30761480, 61522960, 123045920]

約数ペア:

[(1, 123045920), (2, 61522960), (4, 30761480), (5, 24609184), (8, 15380740), (10, 12304592), (16, 7690370), (20, 6152296), (32, 3845185), (40, 3076148), (41, 3001120), (80, 1538074), (82, 1500560), (160, 769037), (164, 750280), (205, 600224), (328, 375140), (410, 300112), (656, 187570), (820, 150056), (1312, 93785), (1640, 75028), (3280, 37514), (6560, 18757)]