508993840

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{80537}}^1$

素因数の和:80629

約数の個数: 40

約数和(自身を含む): 1198405440

約数和(自身を除く): 689411600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 80537, 161074, 322148, 402685, 644296, 805370, 1288592, 1610740, 3221480, 6362423, 6442960, 12724846, 25449692, 31812115, 50899384, 63624230, 101798768, 127248460, 254496920, 508993840]

約数ペア:

[(1, 508993840), (2, 254496920), (4, 127248460), (5, 101798768), (8, 63624230), (10, 50899384), (16, 31812115), (20, 25449692), (40, 12724846), (79, 6442960), (80, 6362423), (158, 3221480), (316, 1610740), (395, 1288592), (632, 805370), (790, 644296), (1264, 402685), (1580, 322148), (3160, 161074), (6320, 80537)]