20161495520

素因数分解:

$2^5\times 5^1\times {\mathrm{61}}^1\times {\mathrm{2065727}}^1$

素因数の和:2065803

約数の個数: 48

約数和(自身を含む): 48412401408

約数和(自身を除く): 28250905888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 80, 122, 160, 244, 305, 488, 610, 976, 1220, 1952, 2440, 4880, 9760, 2065727, 4131454, 8262908, 10328635, 16525816, 20657270, 33051632, 41314540, 66103264, 82629080, 126009347, 165258160, 252018694, 330516320, 504037388, 630046735, 1008074776, 1260093470, 2016149552, 2520186940, 4032299104, 5040373880, 10080747760, 20161495520]

約数ペア:

[(1, 20161495520), (2, 10080747760), (4, 5040373880), (5, 4032299104), (8, 2520186940), (10, 2016149552), (16, 1260093470), (20, 1008074776), (32, 630046735), (40, 504037388), (61, 330516320), (80, 252018694), (122, 165258160), (160, 126009347), (244, 82629080), (305, 66103264), (488, 41314540), (610, 33051632), (976, 20657270), (1220, 16525816), (1952, 10328635), (2440, 8262908), (4880, 4131454), (9760, 2065727)]