40646240

素因数分解:

$2^5\times 5^1\times {\mathrm{254039}}^1$

素因数の和:254054

約数の個数: 24

約数和(自身を含む): 96027120

約数和(自身を除く): 55380880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 254039, 508078, 1016156, 1270195, 2032312, 2540390, 4064624, 5080780, 8129248, 10161560, 20323120, 40646240]

約数ペア:

[(1, 40646240), (2, 20323120), (4, 10161560), (5, 8129248), (8, 5080780), (10, 4064624), (16, 2540390), (20, 2032312), (32, 1270195), (40, 1016156), (80, 508078), (160, 254039)]