13256960

素因数分解:

$2^8\times 5^1\times {\mathrm{10357}}^1$

素因数の和:10378

約数の個数: 36

約数和(自身を含む): 31757628

約数和(自身を除く): 18500668

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10357, 20714, 41428, 51785, 82856, 103570, 165712, 207140, 331424, 414280, 662848, 828560, 1325696, 1657120, 2651392, 3314240, 6628480, 13256960]

約数ペア:

[(1, 13256960), (2, 6628480), (4, 3314240), (5, 2651392), (8, 1657120), (10, 1325696), (16, 828560), (20, 662848), (32, 414280), (40, 331424), (64, 207140), (80, 165712), (128, 103570), (160, 82856), (256, 51785), (320, 41428), (640, 20714), (1280, 10357)]