66403220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{2011}}^1$

素因数の和:2160

約数の個数: 48

約数和(自身を含む): 151431168

約数和(自身を除く): 85027948

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 127, 130, 254, 260, 508, 635, 1270, 1651, 2011, 2540, 3302, 4022, 6604, 8044, 8255, 10055, 16510, 20110, 26143, 33020, 40220, 52286, 104572, 130715, 255397, 261430, 510794, 522860, 1021588, 1276985, 2553970, 3320161, 5107940, 6640322, 13280644, 16600805, 33201610, 66403220]

約数ペア:

[(1, 66403220), (2, 33201610), (4, 16600805), (5, 13280644), (10, 6640322), (13, 5107940), (20, 3320161), (26, 2553970), (52, 1276985), (65, 1021588), (127, 522860), (130, 510794), (254, 261430), (260, 255397), (508, 130715), (635, 104572), (1270, 52286), (1651, 40220), (2011, 33020), (2540, 26143), (3302, 20110), (4022, 16510), (6604, 10055), (8044, 8255)]