31458340

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{12007}}^1$

素因数の和:12147

約数の個数: 24

約数和(自身を含む): 66572352

約数和(自身を除く): 35114012

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 2620, 12007, 24014, 48028, 60035, 120070, 240140, 1572917, 3145834, 6291668, 7864585, 15729170, 31458340]

約数ペア:

[(1, 31458340), (2, 15729170), (4, 7864585), (5, 6291668), (10, 3145834), (20, 1572917), (131, 240140), (262, 120070), (524, 60035), (655, 48028), (1310, 24014), (2620, 12007)]