124385920

素因数分解:

$2^7\times 5^1\times {\mathrm{194353}}^1$

素因数の和:194372

約数の個数: 32

約数和(自身を含む): 297361620

約数和(自身を除く): 172975700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 194353, 388706, 777412, 971765, 1554824, 1943530, 3109648, 3887060, 6219296, 7774120, 12438592, 15548240, 24877184, 31096480, 62192960, 124385920]

約数ペア:

[(1, 124385920), (2, 62192960), (4, 31096480), (5, 24877184), (8, 15548240), (10, 12438592), (16, 7774120), (20, 6219296), (32, 3887060), (40, 3109648), (64, 1943530), (80, 1554824), (128, 971765), (160, 777412), (320, 388706), (640, 194353)]