38763640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{727}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 92252160

約数和(自身を除く): 53488520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 43, 62, 86, 124, 155, 172, 215, 248, 310, 344, 430, 620, 727, 860, 1240, 1333, 1454, 1720, 2666, 2908, 3635, 5332, 5816, 6665, 7270, 10664, 13330, 14540, 22537, 26660, 29080, 31261, 45074, 53320, 62522, 90148, 112685, 125044, 156305, 180296, 225370, 250088, 312610, 450740, 625220, 901480, 969091, 1250440, 1938182, 3876364, 4845455, 7752728, 9690910, 19381820, 38763640]

約数ペア:

[(1, 38763640), (2, 19381820), (4, 9690910), (5, 7752728), (8, 4845455), (10, 3876364), (20, 1938182), (31, 1250440), (40, 969091), (43, 901480), (62, 625220), (86, 450740), (124, 312610), (155, 250088), (172, 225370), (215, 180296), (248, 156305), (310, 125044), (344, 112685), (430, 90148), (620, 62522), (727, 53320), (860, 45074), (1240, 31261), (1333, 29080), (1454, 26660), (1720, 22537), (2666, 14540), (2908, 13330), (3635, 10664), (5332, 7270), (5816, 6665)]