4008460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 8870400

約数和(自身を除く): 4861940

約数列:

[1, 2, 4, 5, 10, 20, 43, 59, 79, 86, 118, 158, 172, 215, 236, 295, 316, 395, 430, 590, 790, 860, 1180, 1580, 2537, 3397, 4661, 5074, 6794, 9322, 10148, 12685, 13588, 16985, 18644, 23305, 25370, 33970, 46610, 50740, 67940, 93220, 200423, 400846, 801692, 1002115, 2004230, 4008460]

約数ペア:

[(1, 4008460), (2, 2004230), (4, 1002115), (5, 801692), (10, 400846), (20, 200423), (43, 93220), (59, 67940), (79, 50740), (86, 46610), (118, 33970), (158, 25370), (172, 23305), (215, 18644), (236, 16985), (295, 13588), (316, 12685), (395, 10148), (430, 9322), (590, 6794), (790, 5074), (860, 4661), (1180, 3397), (1580, 2537)]