66041240

素因数分解:

$2^3\times 5^1\times {\mathrm{821}}^1\times {\mathrm{2011}}^1$

素因数の和:2843

約数の個数: 32

約数和(自身を含む): 148847760

約数和(自身を除く): 82806520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 821, 1642, 2011, 3284, 4022, 4105, 6568, 8044, 8210, 10055, 16088, 16420, 20110, 32840, 40220, 80440, 1651031, 3302062, 6604124, 8255155, 13208248, 16510310, 33020620, 66041240]

約数ペア:

[(1, 66041240), (2, 33020620), (4, 16510310), (5, 13208248), (8, 8255155), (10, 6604124), (20, 3302062), (40, 1651031), (821, 80440), (1642, 40220), (2011, 32840), (3284, 20110), (4022, 16420), (4105, 16088), (6568, 10055), (8044, 8210)]