2544020

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{971}}^1$

素因数の和:1111

約数の個数: 24

約数和(自身を含む): 5388768

約数和(自身を除く): 2844748

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 971, 1310, 1942, 2620, 3884, 4855, 9710, 19420, 127201, 254402, 508804, 636005, 1272010, 2544020]

約数ペア:

[(1, 2544020), (2, 1272010), (4, 636005), (5, 508804), (10, 254402), (20, 127201), (131, 19420), (262, 9710), (524, 4855), (655, 3884), (971, 2620), (1310, 1942)]