31195640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2591}}^1$

素因数の和:2652

約数の個数: 64

約数和(自身を含む): 82114560

約数和(自身を除く): 50918920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 2591, 3010, 5182, 6020, 10364, 12040, 12955, 18137, 20728, 25910, 36274, 51820, 72548, 90685, 103640, 111413, 145096, 181370, 222826, 362740, 445652, 557065, 725480, 779891, 891304, 1114130, 1559782, 2228260, 3119564, 3899455, 4456520, 6239128, 7798910, 15597820, 31195640]

約数ペア:

[(1, 31195640), (2, 15597820), (4, 7798910), (5, 6239128), (7, 4456520), (8, 3899455), (10, 3119564), (14, 2228260), (20, 1559782), (28, 1114130), (35, 891304), (40, 779891), (43, 725480), (56, 557065), (70, 445652), (86, 362740), (140, 222826), (172, 181370), (215, 145096), (280, 111413), (301, 103640), (344, 90685), (430, 72548), (602, 51820), (860, 36274), (1204, 25910), (1505, 20728), (1720, 18137), (2408, 12955), (2591, 12040), (3010, 10364), (5182, 6020)]