28319440

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{15391}}^1$

素因数の和:15427

約数の個数: 40

約数和(自身を含む): 68709888

約数和(自身を除く): 40390448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 15391, 30782, 61564, 76955, 123128, 153910, 246256, 307820, 353993, 615640, 707986, 1231280, 1415972, 1769965, 2831944, 3539930, 5663888, 7079860, 14159720, 28319440]

約数ペア:

[(1, 28319440), (2, 14159720), (4, 7079860), (5, 5663888), (8, 3539930), (10, 2831944), (16, 1769965), (20, 1415972), (23, 1231280), (40, 707986), (46, 615640), (80, 353993), (92, 307820), (115, 246256), (184, 153910), (230, 123128), (368, 76955), (460, 61564), (920, 30782), (1840, 15391)]