15996620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25801}}^1$

素因数の和:25841

約数の個数: 24

約数和(自身を含む): 34677888

約数和(自身を除く): 18681268

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 25801, 51602, 103204, 129005, 258010, 516020, 799831, 1599662, 3199324, 3999155, 7998310, 15996620]

約数ペア:

[(1, 15996620), (2, 7998310), (4, 3999155), (5, 3199324), (10, 1599662), (20, 799831), (31, 516020), (62, 258010), (124, 129005), (155, 103204), (310, 51602), (620, 25801)]