5340880

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 12559464

約数和(自身を除く): 7218584

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 661, 808, 1010, 1322, 1616, 2020, 2644, 3305, 4040, 5288, 6610, 8080, 10576, 13220, 26440, 52880, 66761, 133522, 267044, 333805, 534088, 667610, 1068176, 1335220, 2670440, 5340880]

約数ペア:

[(1, 5340880), (2, 2670440), (4, 1335220), (5, 1068176), (8, 667610), (10, 534088), (16, 333805), (20, 267044), (40, 133522), (80, 66761), (101, 52880), (202, 26440), (404, 13220), (505, 10576), (661, 8080), (808, 6610), (1010, 5288), (1322, 4040), (1616, 3305), (2020, 2644)]