28901380

素因数分解:

$2^2\times 5^1\times {\mathrm{173}}^1\times {\mathrm{8353}}^1$

素因数の和:8535

約数の個数: 24

約数和(自身を含む): 61051032

約数和(自身を除く): 32149652

約数列:

[1, 2, 4, 5, 10, 20, 173, 346, 692, 865, 1730, 3460, 8353, 16706, 33412, 41765, 83530, 167060, 1445069, 2890138, 5780276, 7225345, 14450690, 28901380]

約数ペア:

[(1, 28901380), (2, 14450690), (4, 7225345), (5, 5780276), (10, 2890138), (20, 1445069), (173, 167060), (346, 83530), (692, 41765), (865, 33412), (1730, 16706), (3460, 8353)]