40081964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{10559}}^1$

素因数の和:10649

約数の個数: 24

約数和(自身を含む): 76581120

約数和(自身を除く): 36499156

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 949, 1898, 3796, 10559, 21118, 42236, 137267, 274534, 549068, 770807, 1541614, 3083228, 10020491, 20040982, 40081964]

約数ペア:

[(1, 40081964), (2, 20040982), (4, 10020491), (13, 3083228), (26, 1541614), (52, 770807), (73, 549068), (146, 274534), (292, 137267), (949, 42236), (1898, 21118), (3796, 10559)]