25907005

素因数分解:

$5^1\times {\mathrm{29}}^2\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 24

約数和(自身を含む): 33049224

約数和(自身を除く): 7142219

約数列:

[1, 5, 29, 61, 101, 145, 305, 505, 841, 1769, 2929, 4205, 6161, 8845, 14645, 30805, 51301, 84941, 178669, 256505, 424705, 893345, 5181401, 25907005]

約数ペア:

[(1, 25907005), (5, 5181401), (29, 893345), (61, 424705), (101, 256505), (145, 178669), (305, 84941), (505, 51301), (841, 30805), (1769, 14645), (2929, 8845), (4205, 6161)]