38840725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20177}}^1$

素因数の和:20205

約数の個数: 24

約数和(自身を含む): 60049728

約数和(自身を除く): 21209003

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 175, 275, 385, 1925, 20177, 100885, 141239, 221947, 504425, 706195, 1109735, 1553629, 3530975, 5548675, 7768145, 38840725]

約数ペア:

[(1, 38840725), (5, 7768145), (7, 5548675), (11, 3530975), (25, 1553629), (35, 1109735), (55, 706195), (77, 504425), (175, 221947), (275, 141239), (385, 100885), (1925, 20177)]