15973480

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1657}}^1$

素因数の和:1909

約数の個数: 32

約数和(自身を含む): 36111240

約数和(自身を除く): 20137760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1657, 1928, 2410, 3314, 4820, 6628, 8285, 9640, 13256, 16570, 33140, 66280, 399337, 798674, 1597348, 1996685, 3194696, 3993370, 7986740, 15973480]

約数ペア:

[(1, 15973480), (2, 7986740), (4, 3993370), (5, 3194696), (8, 1996685), (10, 1597348), (20, 798674), (40, 399337), (241, 66280), (482, 33140), (964, 16570), (1205, 13256), (1657, 9640), (1928, 8285), (2410, 6628), (3314, 4820)]