16199540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{461}}^1$

素因数の和:728

約数の個数: 48

約数和(自身を含む): 39118464

約数和(自身を除く): 22918924

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 251, 461, 502, 922, 1004, 1255, 1757, 1844, 2305, 2510, 3227, 3514, 4610, 5020, 6454, 7028, 8785, 9220, 12908, 16135, 17570, 32270, 35140, 64540, 115711, 231422, 462844, 578555, 809977, 1157110, 1619954, 2314220, 3239908, 4049885, 8099770, 16199540]

約数ペア:

[(1, 16199540), (2, 8099770), (4, 4049885), (5, 3239908), (7, 2314220), (10, 1619954), (14, 1157110), (20, 809977), (28, 578555), (35, 462844), (70, 231422), (140, 115711), (251, 64540), (461, 35140), (502, 32270), (922, 17570), (1004, 16135), (1255, 12908), (1757, 9220), (1844, 8785), (2305, 7028), (2510, 6454), (3227, 5020), (3514, 4610)]