168620680

素因数分解:

$2^3\times 5^1\times {\mathrm{4215517}}^1$

素因数の和:4215528

約数の個数: 16

約数和(自身を含む): 379396620

約数和(自身を除く): 210775940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4215517, 8431034, 16862068, 21077585, 33724136, 42155170, 84310340, 168620680]

約数ペア:

[(1, 168620680), (2, 84310340), (4, 42155170), (5, 33724136), (8, 21077585), (10, 16862068), (20, 8431034), (40, 4215517)]