39815464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{1231}}^1$

素因数の和:1561

約数の個数: 32

約数和(自身を含む): 80720640

約数和(自身を除く): 40905176

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 311, 622, 1231, 1244, 2462, 2488, 4043, 4924, 8086, 9848, 16003, 16172, 32006, 32344, 64012, 128024, 382841, 765682, 1531364, 3062728, 4976933, 9953866, 19907732, 39815464]

約数ペア:

[(1, 39815464), (2, 19907732), (4, 9953866), (8, 4976933), (13, 3062728), (26, 1531364), (52, 765682), (104, 382841), (311, 128024), (622, 64012), (1231, 32344), (1244, 32006), (2462, 16172), (2488, 16003), (4043, 9848), (4924, 8086)]