81435710

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{3793}}^1$

素因数の和:3932

約数の個数: 32

約数和(自身を含む): 155705760

約数和(自身を除く): 74270050

約数列:

[1, 2, 5, 10, 19, 38, 95, 113, 190, 226, 565, 1130, 2147, 3793, 4294, 7586, 10735, 18965, 21470, 37930, 72067, 144134, 360335, 428609, 720670, 857218, 2143045, 4286090, 8143571, 16287142, 40717855, 81435710]

約数ペア:

[(1, 81435710), (2, 40717855), (5, 16287142), (10, 8143571), (19, 4286090), (38, 2143045), (95, 857218), (113, 720670), (190, 428609), (226, 360335), (565, 144134), (1130, 72067), (2147, 37930), (3793, 21470), (4294, 18965), (7586, 10735)]