80884520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{106427}}^1$

素因数の和:106457

約数の個数: 32

約数和(自身を含む): 191570400

約数和(自身を除く): 110685880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 106427, 212854, 425708, 532135, 851416, 1064270, 2022113, 2128540, 4044226, 4257080, 8088452, 10110565, 16176904, 20221130, 40442260, 80884520]

約数ペア:

[(1, 80884520), (2, 40442260), (4, 20221130), (5, 16176904), (8, 10110565), (10, 8088452), (19, 4257080), (20, 4044226), (38, 2128540), (40, 2022113), (76, 1064270), (95, 851416), (152, 532135), (190, 425708), (380, 212854), (760, 106427)]