11142640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4493}}^1$

素因数の和:4537

約数の個数: 40

約数和(自身を含む): 26748288

約数和(自身を除く): 15605648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 4493, 8986, 17972, 22465, 35944, 44930, 71888, 89860, 139283, 179720, 278566, 359440, 557132, 696415, 1114264, 1392830, 2228528, 2785660, 5571320, 11142640]

約数ペア:

[(1, 11142640), (2, 5571320), (4, 2785660), (5, 2228528), (8, 1392830), (10, 1114264), (16, 696415), (20, 557132), (31, 359440), (40, 278566), (62, 179720), (80, 139283), (124, 89860), (155, 71888), (248, 44930), (310, 35944), (496, 22465), (620, 17972), (1240, 8986), (2480, 4493)]