82837640

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{23269}}^1$

素因数の和:23369

約数の個数: 32

約数和(自身を含む): 188487000

約数和(自身を除く): 105649360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 23269, 46538, 93076, 116345, 186152, 232690, 465380, 930760, 2070941, 4141882, 8283764, 10354705, 16567528, 20709410, 41418820, 82837640]

約数ペア:

[(1, 82837640), (2, 41418820), (4, 20709410), (5, 16567528), (8, 10354705), (10, 8283764), (20, 4141882), (40, 2070941), (89, 930760), (178, 465380), (356, 232690), (445, 186152), (712, 116345), (890, 93076), (1780, 46538), (3560, 23269)]