3990260

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1523}}^1$

素因数の和:1663

約数の個数: 24

約数和(自身を含む): 8449056

約数和(自身を除く): 4458796

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 1523, 2620, 3046, 6092, 7615, 15230, 30460, 199513, 399026, 798052, 997565, 1995130, 3990260]

約数ペア:

[(1, 3990260), (2, 1995130), (4, 997565), (5, 798052), (10, 399026), (20, 199513), (131, 30460), (262, 15230), (524, 7615), (655, 6092), (1310, 3046), (1523, 2620)]