80814080

素因数分解:

$2^{13}\times 5^1\times {\mathrm{1973}}^1$

素因数の和:2004

約数の個数: 56

約数和(自身を含む): 194040252

約数和(自身を除く): 113226172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1024, 1280, 1973, 2048, 2560, 3946, 4096, 5120, 7892, 8192, 9865, 10240, 15784, 19730, 20480, 31568, 39460, 40960, 63136, 78920, 126272, 157840, 252544, 315680, 505088, 631360, 1010176, 1262720, 2020352, 2525440, 4040704, 5050880, 8081408, 10101760, 16162816, 20203520, 40407040, 80814080]

約数ペア:

[(1, 80814080), (2, 40407040), (4, 20203520), (5, 16162816), (8, 10101760), (10, 8081408), (16, 5050880), (20, 4040704), (32, 2525440), (40, 2020352), (64, 1262720), (80, 1010176), (128, 631360), (160, 505088), (256, 315680), (320, 252544), (512, 157840), (640, 126272), (1024, 78920), (1280, 63136), (1973, 40960), (2048, 39460), (2560, 31568), (3946, 20480), (4096, 19730), (5120, 15784), (7892, 10240), (8192, 9865)]