40418320

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26591}}^1$

素因数の和:26623

約数の個数: 40

約数和(自身を含む): 98922240

約数和(自身を除く): 58503920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 26591, 53182, 106364, 132955, 212728, 265910, 425456, 505229, 531820, 1010458, 1063640, 2020916, 2127280, 2526145, 4041832, 5052290, 8083664, 10104580, 20209160, 40418320]

約数ペア:

[(1, 40418320), (2, 20209160), (4, 10104580), (5, 8083664), (8, 5052290), (10, 4041832), (16, 2526145), (19, 2127280), (20, 2020916), (38, 1063640), (40, 1010458), (76, 531820), (80, 505229), (95, 425456), (152, 265910), (190, 212728), (304, 132955), (380, 106364), (760, 53182), (1520, 26591)]