13685120

素因数分解:

$2^7\times 5^1\times {\mathrm{21383}}^1$

素因数の和:21402

約数の個数: 32

約数和(自身を含む): 32717520

約数和(自身を除く): 19032400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21383, 42766, 85532, 106915, 171064, 213830, 342128, 427660, 684256, 855320, 1368512, 1710640, 2737024, 3421280, 6842560, 13685120]

約数ペア:

[(1, 13685120), (2, 6842560), (4, 3421280), (5, 2737024), (8, 1710640), (10, 1368512), (16, 855320), (20, 684256), (32, 427660), (40, 342128), (64, 213830), (80, 171064), (128, 106915), (160, 85532), (320, 42766), (640, 21383)]