957640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 2187000

約数和(自身を除く): 1229360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 269, 356, 445, 538, 712, 890, 1076, 1345, 1780, 2152, 2690, 3560, 5380, 10760, 23941, 47882, 95764, 119705, 191528, 239410, 478820, 957640]

約数ペア:

[(1, 957640), (2, 478820), (4, 239410), (5, 191528), (8, 119705), (10, 95764), (20, 47882), (40, 23941), (89, 10760), (178, 5380), (269, 3560), (356, 2690), (445, 2152), (538, 1780), (712, 1345), (890, 1076)]