25391015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{12601}}^1$

素因数の和:12650

約数の個数: 16

約数和(自身を含む): 33874176

約数和(自身を除く): 8483161

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 12601, 63005, 163813, 390631, 819065, 1953155, 5078203, 25391015]

約数ペア:

[(1, 25391015), (5, 5078203), (13, 1953155), (31, 819065), (65, 390631), (155, 163813), (403, 63005), (2015, 12601)]