40421008

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{25013}}^1$

素因数の和:25122

約数の個数: 20

約数和(自身を含む): 79094268

約数和(自身を除く): 38673260

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 25013, 50026, 100052, 200104, 400208, 2526313, 5052626, 10105252, 20210504, 40421008]

約数ペア:

[(1, 40421008), (2, 20210504), (4, 10105252), (8, 5052626), (16, 2526313), (101, 400208), (202, 200104), (404, 100052), (808, 50026), (1616, 25013)]