40164988

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{257}}^1\times {\mathrm{439}}^1$

素因数の和:789

約数の個数: 24

約数和(自身を含む): 71517600

約数和(自身を除く): 31352612

約数列:

[1, 2, 4, 89, 178, 257, 356, 439, 514, 878, 1028, 1756, 22873, 39071, 45746, 78142, 91492, 112823, 156284, 225646, 451292, 10041247, 20082494, 40164988]

約数ペア:

[(1, 40164988), (2, 20082494), (4, 10041247), (89, 451292), (178, 225646), (257, 156284), (356, 112823), (439, 91492), (514, 78142), (878, 45746), (1028, 39071), (1756, 22873)]