16278260

素因数分解:

$2^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{4547}}^1$

素因数の和:4735

約数の個数: 24

約数和(自身を含む): 34382880

約数和(自身を除く): 18104620

約数列:

[1, 2, 4, 5, 10, 20, 179, 358, 716, 895, 1790, 3580, 4547, 9094, 18188, 22735, 45470, 90940, 813913, 1627826, 3255652, 4069565, 8139130, 16278260]

約数ペア:

[(1, 16278260), (2, 8139130), (4, 4069565), (5, 3255652), (10, 1627826), (20, 813913), (179, 90940), (358, 45470), (716, 22735), (895, 18188), (1790, 9094), (3580, 4547)]