13275520

素因数分解:

$2^7\times 5^1\times {\mathrm{20743}}^1$

素因数の和:20762

約数の個数: 32

約数和(自身を含む): 31738320

約数和(自身を除く): 18462800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 20743, 41486, 82972, 103715, 165944, 207430, 331888, 414860, 663776, 829720, 1327552, 1659440, 2655104, 3318880, 6637760, 13275520]

約数ペア:

[(1, 13275520), (2, 6637760), (4, 3318880), (5, 2655104), (8, 1659440), (10, 1327552), (16, 829720), (20, 663776), (32, 414860), (40, 331888), (64, 207430), (80, 165944), (128, 103715), (160, 82972), (320, 41486), (640, 20743)]