13642880

素因数分解:

$2^7\times 5^1\times {\mathrm{21317}}^1$

素因数の和:21336

約数の個数: 32

約数和(自身を含む): 32616540

約数和(自身を除く): 18973660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 21317, 42634, 85268, 106585, 170536, 213170, 341072, 426340, 682144, 852680, 1364288, 1705360, 2728576, 3410720, 6821440, 13642880]

約数ペア:

[(1, 13642880), (2, 6821440), (4, 3410720), (5, 2728576), (8, 1705360), (10, 1364288), (16, 852680), (20, 682144), (32, 426340), (40, 341072), (64, 213170), (80, 170536), (128, 106585), (160, 85268), (320, 42634), (640, 21317)]