31401560

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{11717}}^1$

素因数の和:11795

約数の個数: 32

約数和(自身を含む): 71714160

約数和(自身を除く): 40312600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 11717, 23434, 46868, 58585, 93736, 117170, 234340, 468680, 785039, 1570078, 3140156, 3925195, 6280312, 7850390, 15700780, 31401560]

約数ペア:

[(1, 31401560), (2, 15700780), (4, 7850390), (5, 6280312), (8, 3925195), (10, 3140156), (20, 1570078), (40, 785039), (67, 468680), (134, 234340), (268, 117170), (335, 93736), (536, 58585), (670, 46868), (1340, 23434), (2680, 11717)]