52381480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 125136000

約数和(自身を除く): 72754520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 157, 190, 314, 380, 439, 628, 760, 785, 878, 1256, 1570, 1756, 2195, 2983, 3140, 3512, 4390, 5966, 6280, 8341, 8780, 11932, 14915, 16682, 17560, 23864, 29830, 33364, 41705, 59660, 66728, 68923, 83410, 119320, 137846, 166820, 275692, 333640, 344615, 551384, 689230, 1309537, 1378460, 2619074, 2756920, 5238148, 6547685, 10476296, 13095370, 26190740, 52381480]

約数ペア:

[(1, 52381480), (2, 26190740), (4, 13095370), (5, 10476296), (8, 6547685), (10, 5238148), (19, 2756920), (20, 2619074), (38, 1378460), (40, 1309537), (76, 689230), (95, 551384), (152, 344615), (157, 333640), (190, 275692), (314, 166820), (380, 137846), (439, 119320), (628, 83410), (760, 68923), (785, 66728), (878, 59660), (1256, 41705), (1570, 33364), (1756, 29830), (2195, 23864), (2983, 17560), (3140, 16682), (3512, 14915), (4390, 11932), (5966, 8780), (6280, 8341)]