80321450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{3947}}^1$

素因数の和:4007

約数の個数: 48

約数和(自身を含む): 167426784

約数和(自身を除く): 87105334

約数列:

[1, 2, 5, 10, 11, 22, 25, 37, 50, 55, 74, 110, 185, 275, 370, 407, 550, 814, 925, 1850, 2035, 3947, 4070, 7894, 10175, 19735, 20350, 39470, 43417, 86834, 98675, 146039, 197350, 217085, 292078, 434170, 730195, 1085425, 1460390, 1606429, 2170850, 3212858, 3650975, 7301950, 8032145, 16064290, 40160725, 80321450]

約数ペア:

[(1, 80321450), (2, 40160725), (5, 16064290), (10, 8032145), (11, 7301950), (22, 3650975), (25, 3212858), (37, 2170850), (50, 1606429), (55, 1460390), (74, 1085425), (110, 730195), (185, 434170), (275, 292078), (370, 217085), (407, 197350), (550, 146039), (814, 98675), (925, 86834), (1850, 43417), (2035, 39470), (3947, 20350), (4070, 19735), (7894, 10175)]