42215980

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20899}}^1$

素因数の和:21009

約数の個数: 24

約数和(自身を含む): 89535600

約数和(自身を除く): 47319620

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 1010, 2020, 20899, 41798, 83596, 104495, 208990, 417980, 2110799, 4221598, 8443196, 10553995, 21107990, 42215980]

約数ペア:

[(1, 42215980), (2, 21107990), (4, 10553995), (5, 8443196), (10, 4221598), (20, 2110799), (101, 417980), (202, 208990), (404, 104495), (505, 83596), (1010, 41798), (2020, 20899)]