80417420

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{60013}}^1$

素因数の和:60089

約数の個数: 24

約数和(自身を含む): 171399984

約数和(自身を除く): 90982564

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 60013, 120026, 240052, 300065, 600130, 1200260, 4020871, 8041742, 16083484, 20104355, 40208710, 80417420]

約数ペア:

[(1, 80417420), (2, 40208710), (4, 20104355), (5, 16083484), (10, 8041742), (20, 4020871), (67, 1200260), (134, 600130), (268, 300065), (335, 240052), (670, 120026), (1340, 60013)]