40385860

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{19993}}^1$

素因数の和:20103

約数の個数: 24

約数和(自身を含む): 85654296

約数和(自身を除く): 45268436

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 19993, 39986, 79972, 99965, 199930, 399860, 2019293, 4038586, 8077172, 10096465, 20192930, 40385860]

約数ペア:

[(1, 40385860), (2, 20192930), (4, 10096465), (5, 8077172), (10, 4038586), (20, 2019293), (101, 399860), (202, 199930), (404, 99965), (505, 79972), (1010, 39986), (2020, 19993)]