66140680

素因数分解:

$2^3\times 5^1\times {\mathrm{1653517}}^1$

素因数の和:1653528

約数の個数: 16

約数和(自身を含む): 148816620

約数和(自身を除く): 82675940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1653517, 3307034, 6614068, 8267585, 13228136, 16535170, 33070340, 66140680]

約数ペア:

[(1, 66140680), (2, 33070340), (4, 16535170), (5, 13228136), (8, 8267585), (10, 6614068), (20, 3307034), (40, 1653517)]