40257458

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{179}}^1\times {\mathrm{809}}^1$

素因数の和:1129

約数の個数: 16

約数和(自身を含む): 61236000

約数和(自身を除く): 20978542

約数列:

[1, 2, 139, 179, 278, 358, 809, 1618, 24881, 49762, 112451, 144811, 224902, 289622, 20128729, 40257458]

約数ペア:

[(1, 40257458), (2, 20128729), (139, 289622), (179, 224902), (278, 144811), (358, 112451), (809, 49762), (1618, 24881)]