31611820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{2029}}^1$

素因数の和:2098

約数の個数: 48

約数和(自身を含む): 71618400

約数和(自身を除く): 40006580

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 41, 76, 82, 95, 164, 190, 205, 380, 410, 779, 820, 1558, 2029, 3116, 3895, 4058, 7790, 8116, 10145, 15580, 20290, 38551, 40580, 77102, 83189, 154204, 166378, 192755, 332756, 385510, 415945, 771020, 831890, 1580591, 1663780, 3161182, 6322364, 7902955, 15805910, 31611820]

約数ペア:

[(1, 31611820), (2, 15805910), (4, 7902955), (5, 6322364), (10, 3161182), (19, 1663780), (20, 1580591), (38, 831890), (41, 771020), (76, 415945), (82, 385510), (95, 332756), (164, 192755), (190, 166378), (205, 154204), (380, 83189), (410, 77102), (779, 40580), (820, 38551), (1558, 20290), (2029, 15580), (3116, 10145), (3895, 8116), (4058, 7790)]