31250140

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{23321}}^1$

素因数の和:23397

約数の個数: 24

約数和(自身を含む): 66607632

約数和(自身を除く): 35357492

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 23321, 46642, 93284, 116605, 233210, 466420, 1562507, 3125014, 6250028, 7812535, 15625070, 31250140]

約数ペア:

[(1, 31250140), (2, 15625070), (4, 7812535), (5, 6250028), (10, 3125014), (20, 1562507), (67, 466420), (134, 233210), (268, 116605), (335, 93284), (670, 46642), (1340, 23321)]