169296640

素因数分解:

$2^8\times 5^1\times {\mathrm{132263}}^1$

素因数の和:132284

約数の個数: 36

約数和(自身を含む): 405521424

約数和(自身を除く): 236224784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 132263, 264526, 529052, 661315, 1058104, 1322630, 2116208, 2645260, 4232416, 5290520, 8464832, 10581040, 16929664, 21162080, 33859328, 42324160, 84648320, 169296640]

約数ペア:

[(1, 169296640), (2, 84648320), (4, 42324160), (5, 33859328), (8, 21162080), (10, 16929664), (16, 10581040), (20, 8464832), (32, 5290520), (40, 4232416), (64, 2645260), (80, 2116208), (128, 1322630), (160, 1058104), (256, 661315), (320, 529052), (640, 264526), (1280, 132263)]