17928160

素因数分解:

$2^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1259}}^1$

素因数の和:1363

約数の個数: 48

約数和(自身を含む): 42865200

約数和(自身を除く): 24937040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 89, 160, 178, 356, 445, 712, 890, 1259, 1424, 1780, 2518, 2848, 3560, 5036, 6295, 7120, 10072, 12590, 14240, 20144, 25180, 40288, 50360, 100720, 112051, 201440, 224102, 448204, 560255, 896408, 1120510, 1792816, 2241020, 3585632, 4482040, 8964080, 17928160]

約数ペア:

[(1, 17928160), (2, 8964080), (4, 4482040), (5, 3585632), (8, 2241020), (10, 1792816), (16, 1120510), (20, 896408), (32, 560255), (40, 448204), (80, 224102), (89, 201440), (160, 112051), (178, 100720), (356, 50360), (445, 40288), (712, 25180), (890, 20144), (1259, 14240), (1424, 12590), (1780, 10072), (2518, 7120), (2848, 6295), (3560, 5036)]