40278880

素因数分解:

$2^5\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1109}}^1$

素因数の和:1351

約数の個数: 48

約数和(自身を含む): 95664240

約数和(自身を除く): 55385360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 227, 454, 908, 1109, 1135, 1816, 2218, 2270, 3632, 4436, 4540, 5545, 7264, 8872, 9080, 11090, 17744, 18160, 22180, 35488, 36320, 44360, 88720, 177440, 251743, 503486, 1006972, 1258715, 2013944, 2517430, 4027888, 5034860, 8055776, 10069720, 20139440, 40278880]

約数ペア:

[(1, 40278880), (2, 20139440), (4, 10069720), (5, 8055776), (8, 5034860), (10, 4027888), (16, 2517430), (20, 2013944), (32, 1258715), (40, 1006972), (80, 503486), (160, 251743), (227, 177440), (454, 88720), (908, 44360), (1109, 36320), (1135, 35488), (1816, 22180), (2218, 18160), (2270, 17744), (3632, 11090), (4436, 9080), (4540, 8872), (5545, 7264)]