28168780

素因数分解:

$2^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{2693}}^1$

素因数の和:3225

約数の個数: 24

約数和(自身を含む): 59289552

約数和(自身を除く): 31120772

約数列:

[1, 2, 4, 5, 10, 20, 523, 1046, 2092, 2615, 2693, 5230, 5386, 10460, 10772, 13465, 26930, 53860, 1408439, 2816878, 5633756, 7042195, 14084390, 28168780]

約数ペア:

[(1, 28168780), (2, 14084390), (4, 7042195), (5, 5633756), (10, 2816878), (20, 1408439), (523, 53860), (1046, 26930), (2092, 13465), (2615, 10772), (2693, 10460), (5230, 5386)]