13111040

素因数分解:

$2^8\times 5^1\times {\mathrm{10243}}^1$

素因数の和:10264

約数の個数: 36

約数和(自身を含む): 31408104

約数和(自身を除く): 18297064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10243, 20486, 40972, 51215, 81944, 102430, 163888, 204860, 327776, 409720, 655552, 819440, 1311104, 1638880, 2622208, 3277760, 6555520, 13111040]

約数ペア:

[(1, 13111040), (2, 6555520), (4, 3277760), (5, 2622208), (8, 1638880), (10, 1311104), (16, 819440), (20, 655552), (32, 409720), (40, 327776), (64, 204860), (80, 163888), (128, 102430), (160, 81944), (256, 51215), (320, 40972), (640, 20486), (1280, 10243)]