40016440

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3719}}^1$

素因数の和:3999

約数の個数: 32

約数和(自身を含む): 90396000

約数和(自身を除く): 50379560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 3719, 5380, 7438, 10760, 14876, 18595, 29752, 37190, 74380, 148760, 1000411, 2000822, 4001644, 5002055, 8003288, 10004110, 20008220, 40016440]

約数ペア:

[(1, 40016440), (2, 20008220), (4, 10004110), (5, 8003288), (8, 5002055), (10, 4001644), (20, 2000822), (40, 1000411), (269, 148760), (538, 74380), (1076, 37190), (1345, 29752), (2152, 18595), (2690, 14876), (3719, 10760), (5380, 7438)]