18015680

素因数分解:

$2^6\times 5^1\times {\mathrm{56299}}^1$

素因数の和:56316

約数の個数: 28

約数和(自身を含む): 42900600

約数和(自身を除く): 24884920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 56299, 112598, 225196, 281495, 450392, 562990, 900784, 1125980, 1801568, 2251960, 3603136, 4503920, 9007840, 18015680]

約数ペア:

[(1, 18015680), (2, 9007840), (4, 4503920), (5, 3603136), (8, 2251960), (10, 1801568), (16, 1125980), (20, 900784), (32, 562990), (40, 450392), (64, 281495), (80, 225196), (160, 112598), (320, 56299)]