8317280

素因数分解:

$2^5\times 5^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 19822320

約数和(自身を除く): 11505040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 227, 229, 454, 458, 908, 916, 1135, 1145, 1816, 1832, 2270, 2290, 3632, 3664, 4540, 4580, 7264, 7328, 9080, 9160, 18160, 18320, 36320, 36640, 51983, 103966, 207932, 259915, 415864, 519830, 831728, 1039660, 1663456, 2079320, 4158640, 8317280]

約数ペア:

[(1, 8317280), (2, 4158640), (4, 2079320), (5, 1663456), (8, 1039660), (10, 831728), (16, 519830), (20, 415864), (32, 259915), (40, 207932), (80, 103966), (160, 51983), (227, 36640), (229, 36320), (454, 18320), (458, 18160), (908, 9160), (916, 9080), (1135, 7328), (1145, 7264), (1816, 4580), (1832, 4540), (2270, 3664), (2290, 3632)]