28377640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37339}}^1$

素因数の和:37369

約数の個数: 32

約数和(自身を含む): 67212000

約数和(自身を除く): 38834360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 37339, 74678, 149356, 186695, 298712, 373390, 709441, 746780, 1418882, 1493560, 2837764, 3547205, 5675528, 7094410, 14188820, 28377640]

約数ペア:

[(1, 28377640), (2, 14188820), (4, 7094410), (5, 5675528), (8, 3547205), (10, 2837764), (19, 1493560), (20, 1418882), (38, 746780), (40, 709441), (76, 373390), (95, 298712), (152, 186695), (190, 149356), (380, 74678), (760, 37339)]