8081191840

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1231889}}^1$

素因数の和:1231945

約数の個数: 48

約数和(自身を含む): 19557485640

約数和(自身を除く): 11476293800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 1231889, 2463778, 4927556, 6159445, 9855112, 12318890, 19710224, 24637780, 39420448, 49275560, 50507449, 98551120, 101014898, 197102240, 202029796, 252537245, 404059592, 505074490, 808119184, 1010148980, 1616238368, 2020297960, 4040595920, 8081191840]

約数ペア:

[(1, 8081191840), (2, 4040595920), (4, 2020297960), (5, 1616238368), (8, 1010148980), (10, 808119184), (16, 505074490), (20, 404059592), (32, 252537245), (40, 202029796), (41, 197102240), (80, 101014898), (82, 98551120), (160, 50507449), (164, 49275560), (205, 39420448), (328, 24637780), (410, 19710224), (656, 12318890), (820, 9855112), (1312, 6159445), (1640, 4927556), (3280, 2463778), (6560, 1231889)]