66220900

素因数分解:

$2^2\times 5^2\times {\mathrm{509}}^1\times {\mathrm{1301}}^1$

素因数の和:1824

約数の個数: 36

約数和(自身を含む): 144092340

約数和(自身を除く): 77871440

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 509, 1018, 1301, 2036, 2545, 2602, 5090, 5204, 6505, 10180, 12725, 13010, 25450, 26020, 32525, 50900, 65050, 130100, 662209, 1324418, 2648836, 3311045, 6622090, 13244180, 16555225, 33110450, 66220900]

約数ペア:

[(1, 66220900), (2, 33110450), (4, 16555225), (5, 13244180), (10, 6622090), (20, 3311045), (25, 2648836), (50, 1324418), (100, 662209), (509, 130100), (1018, 65050), (1301, 50900), (2036, 32525), (2545, 26020), (2602, 25450), (5090, 13010), (5204, 12725), (6505, 10180)]