64420960

素因数分解:

$2^5\times 5^1\times {\mathrm{402631}}^1$

素因数の和:402646

約数の個数: 24

約数和(自身を含む): 152194896

約数和(自身を除く): 87773936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 402631, 805262, 1610524, 2013155, 3221048, 4026310, 6442096, 8052620, 12884192, 16105240, 32210480, 64420960]

約数ペア:

[(1, 64420960), (2, 32210480), (4, 16105240), (5, 12884192), (8, 8052620), (10, 6442096), (16, 4026310), (20, 3221048), (32, 2013155), (40, 1610524), (80, 805262), (160, 402631)]