25995320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{49991}}^1$

素因数の和:50015

約数の個数: 32

約数和(自身を含む): 62989920

約数和(自身を除く): 36994600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 49991, 99982, 199964, 249955, 399928, 499910, 649883, 999820, 1299766, 1999640, 2599532, 3249415, 5199064, 6498830, 12997660, 25995320]

約数ペア:

[(1, 25995320), (2, 12997660), (4, 6498830), (5, 5199064), (8, 3249415), (10, 2599532), (13, 1999640), (20, 1299766), (26, 999820), (40, 649883), (52, 499910), (65, 399928), (104, 249955), (130, 199964), (260, 99982), (520, 49991)]