40209790

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{859}}^1$

素因数の和:1048

約数の個数: 32

約数和(自身を含む): 75294720

約数和(自身を除く): 35084930

約数列:

[1, 2, 5, 10, 31, 62, 151, 155, 302, 310, 755, 859, 1510, 1718, 4295, 4681, 8590, 9362, 23405, 26629, 46810, 53258, 129709, 133145, 259418, 266290, 648545, 1297090, 4020979, 8041958, 20104895, 40209790]

約数ペア:

[(1, 40209790), (2, 20104895), (5, 8041958), (10, 4020979), (31, 1297090), (62, 648545), (151, 266290), (155, 259418), (302, 133145), (310, 129709), (755, 53258), (859, 46810), (1510, 26629), (1718, 23405), (4295, 9362), (4681, 8590)]